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B1 noun #4,500 most common 12 min read

容量

rongliang Top 4,500

Practice it Examples Notes & Tips 容量 in 30 Seconds

Explanation 容量 in your Level:

At the A1 level, you only need to know that '容量' (róngliàng) refers to how much something can hold, like a cup or a bag. You can think of it as 'size' for inside things. Even though it's a B1 word, you see it on water bottles (like 500ml) and phone boxes. Just remember: if a bottle is big inside, it has a '大容量' (dà róngliàng). It is a noun. You use it to talk about simple objects. For example, 'This bag's capacity is big.' You don't need to worry about complex grammar yet. Just associate it with the physical size of containers you use every day.

At the A2 level, you start using '容量' for more specific daily items, especially technology. You will use it when talking about your smartphone or computer storage. For example, 'My phone's capacity is 64GB.' You should also learn to pair it with the verb '有' (to have) or '是' (to be). You might say '这个水壶有两升的容量' (This kettle has a 2-liter capacity). You are also learning that it is a formal way to say how much space is inside something. It is different from '大小' (size) because it specifically means what can fit inside.

At the B1 level, you should use '容量' confidently in various contexts, including physical, digital, and electrical. You should understand phrases like '电池容量' (battery capacity) and '存储容量' (storage capacity). You should be able to describe changes in capacity, such as '扩大容量' (expanding capacity) or '容量不足' (insufficient capacity). At this level, you also learn that '容量' is a noun and should be described with '大/小' (big/small) rather than '多/少' (many/few). You can use it to compare products when shopping and understand its use in simple news articles or technical manuals.

At the B2 level, you begin to use '容量' in more abstract and professional contexts. You will encounter terms like '市场容量' (market capacity) in business or '环境容量' (environmental capacity) in science. You should be able to discuss the implications of capacity limits, such as how a city's '交通容量' (traffic capacity) affects urban planning. You can also use it to describe human qualities, like '心理容量' (psychological capacity/resilience). You should be able to distinguish '容量' from technical synonyms like '容积' (geometric volume) and '含量' (content percentage) in formal writing and discussions.

At the C1 level, your use of '容量' should be precise and nuanced. You understand its role in complex systems, such as '电网容量' (power grid capacity) or '认知容量' (cognitive capacity). You can use it in academic writing to discuss the '承载容量' (carrying capacity) of an ecosystem. You are aware of the subtle differences between '容量' and '负载' (load) or '限度' (limit). You can also use the word metaphorically in literary contexts to describe the 'breadth' or 'depth' of a person's character or a work of art's meaning, although other words like '内涵' might be more common there.

At the C2 level, you have a masterly command of '容量'. You can use it in highly specialized fields, from thermodynamics to advanced economics. You understand its etymological roots and can explain why it is used instead of other synonyms in specific legal or technical documents. You can use it to discuss philosophical concepts like the 'capacity of the soul' or the 'informational capacity of the universe'. Your usage is indistinguishable from a highly educated native speaker, and you can effortlessly switch between its literal, technical, and metaphorical meanings depending on the audience and purpose.

Practice it Examples Notes & Tips

容量 in 30 Seconds

容量 (róngliàng) means 'capacity'—the maximum amount something can hold.
It is used for physical volume, digital storage, and battery power.
Describe it using '大' (large) or '小' (small), never '多' or '少'.
It is a common noun in tech, shopping, and professional discussions.

The Chinese word 容量 (róngliàng) is a fundamental noun used to describe the maximum amount that something can hold, contain, or accommodate. At its core, the word is composed of two characters: 容 (róng), which means to contain, hold, or tolerate, and 量 (liàng), which means quantity, measure, or amount. When combined, they form a concept that bridges the physical, digital, and psychological worlds. In everyday life, you will encounter this word most frequently when discussing physical containers, technological specifications, and even human capabilities. For instance, if you are buying a thermos, you might ask about its róngliàng to see if it holds enough coffee for your morning commute. In the digital age, this word has seen a massive surge in usage, specifically referring to the storage space on smartphones, computers, and cloud services. It is the standard term for 'capacity' in almost every technical manual you will read in Chinese.

Physical Volume: This refers to the three-dimensional space inside an object, such as a bottle, a room, or a fuel tank. For example, '这台冰箱的容量很大' (This refrigerator has a large capacity).
Digital Storage: In IT contexts, it refers to bytes, gigabytes, or terabytes. '硬盘容量' means hard drive capacity. Users often worry about their phone's '内存容量' (memory/storage capacity) being full.
Electrical Capacity: Specifically used for batteries. '电池容量' (battery capacity) is measured in mAh (milliampere-hours). A high-capacity battery is essential for long-distance travel.

Beyond these literal meanings, 容量 can also be applied metaphorically to describe the human mind or emotional state. While less common than the word qìdù (magnanimity), one might speak of '脑容量' (brain capacity) humorously or scientifically to describe the amount of information a person can process or remember. In economic and industrial contexts, it describes the 'market capacity' (市场容量), indicating the total potential demand for a product within a specific market. Understanding this word requires recognizing that it is not just about size, but about the limit of what can be held inside. It is a boundary-defining word. Whether you are dealing with a 500ml water bottle or a 1TB cloud drive, you are dealing with 容量. It is an essential term for anyone navigating modern Chinese society, from shopping at a mall to working in a high-tech office in Shenzhen.

我们需要一个容量更大的书包来装这些课本。(We need a backpack with a larger capacity to hold these textbooks.)

手机的存储容量已经满了，我得删掉一些照片。(The phone's storage capacity is full; I have to delete some photos.)

Historically, the character 容 depicts a roof over a valley, suggesting a space that can receive or hold things. The character 量 originates from the image of measuring grain with a tool. Together, they perfectly encapsulate the act of measuring how much a space can contain. This linguistic history reinforces the word's primary function in modern Mandarin as a precise measurement of potential volume. Whether you are an engineer calculating the capacity of a dam or a student buying a USB flash drive, 容量 is the precise, professional, and common term you will use.

Using 容量 (róngliàng) correctly involves understanding its role as a noun and the specific adjectives and verbs that typically accompany it. In most sentences, 容量 acts as the subject or the object, often modified by a possessive phrase. The most common sentence pattern is [Object] + 的 + 容量 + [Verb/Adjective]. For example, '水杯的容量是500毫升' (The capacity of the water cup is 500ml). Here, the word provides a specific attribute to the water cup. Because it describes a fixed limit, it is frequently paired with adjectives that indicate scale or sufficiency.

Describing Scale: Use '大' (large), '小' (small), '巨大' (huge), or '有限' (limited). Example: '这个体育馆的容量非常大' (The capacity of this stadium is very large).
Verbal Actions: Common verbs include '增加' (increase), '扩大' (expand), '达到' (reach), or '超过' (exceed). Example: '通过升级系统，我们可以扩大存储容量' (By upgrading the system, we can expand the storage capacity).
State of Being: Use '满' (full) or '不足' (insufficient). Example: '由于容量不足，文件无法保存' (Due to insufficient capacity, the file cannot be saved).

In technical discussions, 容量 is often part of a compound noun. Terms like '额定容量' (rated capacity) or '最大容量' (maximum capacity) are standard in engineering and logistics. If you are describing an elevator, you might say '额定容量为10人' (The rated capacity is 10 people). Note that while English speakers might say 'The elevator holds 10 people,' Chinese speakers often prefer the more formal '容量是...' or '限载...' (limit load). However, in general conversation, 容量 remains the go-to word for general capacity. It is also important to distinguish 容量 from 体积 (tǐjī). While tǐjī refers to the outer physical volume or bulk of an object (how much space it takes up), 容量 refers to what can be put inside it. A thick-walled box might have a large tǐjī but a small róngliàng.

这封邮件的附件超过了邮箱的容量限制。(The attachment to this email exceeds the mailbox's capacity limit.)

我们需要考虑这个市场的容量是否已经饱和。(We need to consider whether the capacity of this market is already saturated.)

In more advanced usage, you might see 容量 used in psychological contexts, such as '工作记忆容量' (working memory capacity). This refers to the amount of information the brain can hold and manipulate at one time. This usage mirrors the English 'capacity' perfectly, showing how versatile the word is. Whether you are talking about the physical, the digital, or the cognitive, the structure remains consistent: [Possessor] + [容量]. By mastering this word, you gain the ability to discuss limits and sizes across a wide variety of domains, making your Chinese sound more precise and professional.

The word 容量 (róngliàng) is ubiquitous in modern Chinese life, appearing in contexts ranging from high-tech shopping to public safety. One of the most common places you will hear it is in an electronics store, such as an Apple Store or a Huawei experience center. Customers and sales staff constantly discuss '内存容量' (storage capacity) when comparing phone models. A salesperson might say, '这款手机有两个容量版本：128GB和256GB' (This phone has two capacity versions: 128GB and 256GB). In this context, the word is synonymous with the value and utility of the device. You will also hear it frequently in the context of electric vehicles (EVs), which are extremely popular in China. Drivers often discuss '电池容量' (battery capacity) and how it affects the '续航里程' (driving range). On social media platforms like Xiaohongshu or Weibo, tech reviewers often compare the '实际容量' (actual capacity) of power banks against their advertised specs.

Public Transportation: On buses or subways, you might see signs indicating '载客容量' (passenger capacity). During peak hours, announcements might mention that the station's '客流容量' (passenger flow capacity) has reached its limit.
Kitchen and Home: When buying appliances like air fryers, washing machines, or ovens, the '容量' is a key selling point. A '5升大容量' (5-liter large capacity) air fryer is a common marketing phrase.
Business and Economics: In news reports or business meetings, you will hear about '市场容量' (market capacity) or '生产容量' (production capacity). For example, '该工厂的年生产容量为十万台' (The factory's annual production capacity is 100,000 units).

Another interesting place you encounter this word is in the context of environmental science and urban planning. Experts talk about the '环境容量' (environmental capacity) of a city—the maximum level of pollution or population a specific environment can sustain without degrading. Similarly, '道路容量' (road capacity) is a standard term used by traffic police and urban planners to discuss congestion. If you are a student in China, you will hear it in science classes, particularly in physics and chemistry, when discussing '电容' (capacitance) or the volume of chemical vessels. The word is formal enough for a textbook but common enough for a wet market when discussing the size of a plastic bucket.

由于电池容量衰减，我的旧手机现在半天就没电了。(Due to battery capacity degradation, my old phone now runs out of power in half a day.)

这个水库的容量足以供应整个城市一个月的用水。(The capacity of this reservoir is sufficient to supply the entire city with water for a month.)

In summary, 容量 is a word that connects the tangible with the intangible. It describes the physical limits of a jar, the digital limits of a server, and the economic limits of a market. Whether you are listening to a technical podcast, reading a product description on Taobao, or sitting in a corporate strategy meeting, 容量 will be there to define the boundaries of what is possible. Its frequency in both technical and daily language makes it a high-value word for any intermediate Chinese learner.

While 容量 (róngliàng) seems straightforward, English speakers and even early intermediate learners often make specific errors when integrating it into their Chinese. The most frequent mistake is confusing 容量 with related concepts like 体积 (tǐjī), 数量 (shùliàng), or 重量 (zhòngliàng). Understanding these distinctions is crucial for sounding natural. Tǐjī refers to the space an object occupies externally (its bulk), whereas 容量 refers to the space available inside (its capacity). If you say a person has a large tǐjī, you are calling them physically big or fat. If you say a hard drive has a large tǐjī, you are saying the physical box is large, which might actually be a bad thing in modern tech! You must use 容量 to talk about the data it holds.

Confusion with 数量 (Quantity): Mistake: '这个教室的容量是五十个学生。' (Correct). Mistake: '这个教室的数量是五十。' (Incorrect - this means there are 50 classrooms). 容量 is the potential, 数量 is the actual count.
Adjective Misuse: Mistake: '容量很多' (Many capacity). Correct: '容量很大' (Large capacity). Since capacity is a dimension of size/limit, we use big/small, not many/few.
Confusion with 容纳 (To Accommodate): 容量 is the noun (capacity), while 容纳 (róngnà) is the verb (to hold/accommodate). You can say '这个礼堂能容纳一千人' but '这个礼堂的容量是一千人'. Don't mix the parts of speech.

Another subtle mistake occurs in the context of 'memory'. In English, we use 'memory' for both RAM (Random Access Memory) and storage (Hard Drive). In Chinese, '内存' (nèicún) usually refers to RAM, while '存储空间' (cúnchǔ kōngjiān) or simply '容量' refers to the storage. However, many people colloquially use '内存容量' to refer to how many photos they can save. While common, in a technical setting, this can be ambiguous. Furthermore, learners sometimes forget that 容量 is essentially a measure of 'how much can fit', not 'how much is currently there'. If a bottle is half empty, its 容量 hasn't changed; only the amount of liquid (水量) has.

错误：我的手机容量很多。(Wrong: My phone capacity is many.)
正确：我的手机容量很大。(Right: My phone capacity is large.)

错误：这个盒子的容量很重。(Wrong: The capacity of this box is heavy.)
正确：这个盒子的重量很重，但容量很小。(Right: The weight of this box is heavy, but the capacity is small.)

Lastly, be careful when using 容量 in emotional contexts. While you can say '心胸宽广' (broad-minded), saying '心的容量很大' is technically understandable but sounds like you are discussing a medical condition or a very literal biological heart. For emotional tolerance, stick to established idioms like '宽容' (kuānróng) or '气量' (qìliàng). By avoiding these common pitfalls—specifically the confusion with weight, quantity, and the wrong adjectives—you will use 容量 like a native speaker.

To truly master 容量 (róngliàng), you should understand how it compares to its synonyms and near-synonyms. Chinese is a language of nuance, and choosing the right word for 'space' or 'amount' depends heavily on the context. The most direct relative is 容积 (róngjī). While both mean capacity, róngjī is a more formal, scientific term used to describe the internal volume of a container in units like cubic centimeters or liters. You'll see róngjī in geometry problems or tanker truck specifications, but you'll use 容量 when talking about your laptop's hard drive or your stomach's ability to hold food at a buffet.

容量 vs. 空间 (Kōngjiān): 空间 means 'space' in a general sense. You can have 'empty space' (空白空间). 容量 is the *measured limit* of that space. Example: '房间里有很多空间' (There is a lot of space in the room) vs. '这个房间的容量是五十人' (The capacity of this room is 50 people).
容量 vs. 规模 (Guīmó): 规模 refers to 'scale' or 'scope', often used for organizations, projects, or markets. While '市场容量' (market capacity) and '市场规模' (market scale) are related, scale focuses on the current size/importance, while capacity focuses on the maximum potential.
容量 vs. 限度 (Xiàndù): 限度 means 'limit' or 'extent'. It is used for more abstract concepts like patience or power. You wouldn't say a bottle has a 'limit' of 500ml in the same way you use capacity; capacity implies a container-like quality.

Another word often confused is 含量 (hánliàng). This means 'content' or 'the amount of a specific substance within something'. For example, '含糖量' (sugar content) or '含金量' (gold content/value). While 容量 is about how much a container *can* hold, hánliàng is about what is *actually inside* as a proportion. If you are looking at a bottle of juice, the 容量 is 500ml, but the 果汁含量 (juice content) might only be 10%. Understanding this distinction is vital for reading labels and technical reports. In the digital world, you might also hear 带宽 (dàikuān) for 'bandwidth'. While bandwidth is a kind of 'capacity' for data transmission speed, 容量 is used for data storage.

虽然这款车的容量（载客量）很大，但它的外形体积并不臃肿。(Although this car's capacity is large, its external bulk is not bloated.)

我们要区分“存储容量”和“传输速度”。(We need to distinguish between 'storage capacity' and 'transmission speed'.)

In summary, 容量 is the most versatile term for 'capacity'. Use kōngjiān for general space, róngjī for scientific volume, hánliàng for ingredients, and guīmó for the scale of an enterprise. By choosing the right word, you demonstrate a deep understanding of Chinese logic, which differentiates a container (容量) from the space it occupies (体积) and the substances it contains (含量).

How Formal Is It?

Fun Fact

In ancient China, '量' was one of the five standard measures (度量衡 - length, capacity, weight). Capacity was measured using vessels like the 'dou' (bushel).

Pronunciation Guide

UK róng liàng

US róng liàng

The primary stress is on the second syllable 'liàng'.

Rhymes With

中 (zhōng) 同 (tóng) 亮 (liàng) 放 (fàng) 上 (shàng) 向 (xiàng) 样 (yàng) 唱 (chàng)

Common Errors

Pronouncing 'róng' as 'ròng' (fourth tone).
Pronouncing 'liàng' as 'liáng' (second tone), which changes the meaning to 'to measure' (verb).
Mixing up the 'r' sound with 'l' in some southern dialects.
Incorrectly stressing the first syllable.
Mumbling the 'ng' ending of both syllables.

Difficulty Rating

Reading 3/5

The characters are medium difficulty, but the concept is very clear in context.

Writing 4/5

Writing '量' requires attention to stroke order and the number of horizontal lines.

Speaking 2/5

The tones are distinct and easy to pronounce for most learners.

Listening 3/5

Easily confused with '数量' or '重量' if not listening carefully.

What to Learn Next

Prerequisites

大小多少量

Learn Next

容纳容积含量体积

Advanced

承载力吞吐量负载冗余

Grammar to Know

Nouns as modifiers

容量限制 (Capacity limit) - Here '容量' modifies '限制'.

Adjective + Noun structure

大容量电池 (Large capacity battery).

Possessive '的'

水壶的容量 (The kettle's capacity).

Resultative complements with capacity verbs

装不下 (Cannot hold/exceeds capacity).

Stating measurements

容量为... (The capacity is...).

Examples by Level

这个杯子的容量很大。

This cup's capacity is very large.

Subject + 的 + 容量 + Adjective.

书包的容量小。

The backpack's capacity is small.

Use '小' to describe small capacity.

容量是多少？

What is the capacity?

Simple question structure.

这瓶水容量500毫升。

This bottle of water has a capacity of 500ml.

Stating capacity directly with a number.

我需要大容量的。

I need a large capacity one.

Using '的' to turn '大容量' into a noun phrase.

这个盒子容量不够。

This box's capacity is not enough.

Using '不够' (not enough) with capacity.

看，容量很大。

Look, the capacity is very large.

Exclamatory use.

它的容量是一升。

Its capacity is one liter.

Using '是' to define the capacity.

我的手机容量是64GB。

My phone capacity is 64GB.

Common tech usage.

这个冰箱的容量适合三个人。

This refrigerator's capacity is suitable for three people.

Using '适合' (suitable for) to describe utility.

你需要多大容量的硬盘？

How much capacity hard drive do you need?

Asking about specific capacity requirements.

电池容量太小了，很快就没电了。

The battery capacity is too small; it runs out of power quickly.

Connecting capacity to performance.

这款电饭煲的容量是4升。

This rice cooker's capacity is 4 liters.

Standard product description.

电脑容量满了，不能存照片。

The computer capacity is full; I can't save photos.

Using '满' (full) with capacity.

这辆车的油箱容量很大。

This car's fuel tank capacity is very large.

Describing a fuel tank.

这个水杯的容量比那个大。

This cup's capacity is larger than that one.

Comparative structure with '比'.

为了保存更多视频，我扩大了云盘的容量。

To save more videos, I expanded the capacity of my cloud drive.

Using the verb '扩大' (expand) with capacity.

这个体育馆的最大容量是两万人。

The maximum capacity of this stadium is 20,000 people.

Using '最大' (maximum) as a modifier.

由于容量限制，你不能上传这个大文件。

Due to capacity limits, you cannot upload this large file.

Using '容量限制' (capacity limit) as a compound noun.

我们需要检查一下这个水库的现有容量。

We need to check the current capacity of this reservoir.

Formal check of capacity.

这款充电宝的额定容量是一万毫安时。

The rated capacity of this power bank is 10,000 mAh.

Technical term '额定容量' (rated capacity).

电梯的容量有限，请等下一趟。

The elevator's capacity is limited; please wait for the next one.

Using '有限' (limited) to describe capacity.

购买手机时，内存容量是一个重要考虑因素。

When buying a phone, memory capacity is an important consideration.

Using capacity as a subject in a complex sentence.

这个瓶子的实际容量比标注的要小一点。

The actual capacity of this bottle is a bit smaller than what's labeled.

Distinguishing between '实际' (actual) and '标注' (labeled).

随着业务的发展，现有的服务器容量已经无法满足需求。

With the development of the business, the existing server capacity can no longer meet the demand.

Professional context: capacity vs. demand.

专家预测，该市场的容量在未来五年内将翻倍。

Experts predict that the market capacity will double in the next five years.

Business term: '市场容量' (market capacity).

这种新型材料可以显著提高电池的单位容量。

This new material can significantly improve the unit capacity of the battery.

Scientific context: '单位容量' (unit capacity).

我们必须考虑环境的承载容量，不能过度开发。

We must consider the carrying capacity of the environment and not over-develop.

Environmental term: '承载容量' (carrying capacity).

由于系统容量达到上限，新的注册已被暂停。

Because the system capacity has reached its upper limit, new registrations have been suspended.

Using '达到上限' (reach the upper limit) with capacity.

大脑的记忆容量虽然巨大，但也需要合理的组织。

Although the brain's memory capacity is huge, it also needs reasonable organization.

Abstract usage: '记忆容量' (memory capacity).

提高道路容量是缓解城市交通拥堵的关键。

Increasing road capacity is key to relieving urban traffic congestion.

Urban planning context: '道路容量' (road capacity).

这家工厂正在通过技术改造来提升其生产容量。

This factory is upgrading its production capacity through technological transformation.

Industrial term: '生产容量' (production capacity).

该地区的供水系统已接近其最大负荷容量。

The water supply system in this area is approaching its maximum load capacity.

Using '负荷容量' (load capacity) in a formal report.

在极端气候条件下，电网的调节容量面临巨大挑战。

Under extreme climate conditions, the grid's regulation capacity faces great challenges.

Specialized term: '调节容量' (regulation capacity).

我们需要评估该港口处理集装箱的吞吐容量。

We need to evaluate the port's throughput capacity for handling containers.

Logistics term: '吞吐容量' (throughput capacity).

人类的认知容量限制了我们同时处理多项任务的能力。

Human cognitive capacity limits our ability to process multiple tasks simultaneously.

Psychological/Scientific term: '认知容量' (cognitive capacity).

该法律框架旨在扩大金融市场的风险吸收容量。

The legal framework aims to expand the risk absorption capacity of the financial market.

Financial context: '风险吸收容量' (risk absorption capacity).

这种算法优化了数据压缩，从而变相增加了存储容量。

This algorithm optimizes data compression, thereby effectively increasing storage capacity.

Using '变相增加' (effectively/disguisedly increase).

在设计阶段，必须预留足够的系统冗余容量。

In the design phase, sufficient system redundancy capacity must be reserved.

Engineering term: '冗余容量' (redundancy capacity).

该研究探讨了社交媒体对公众舆论容量的影响。

The study explored the influence of social media on the capacity of public opinion.

Sociological usage of capacity.

量子计算的出现将彻底颠覆我们对计算容量的传统认知。

The emergence of quantum computing will completely subvert our traditional understanding of computing capacity.

High-level theoretical discussion.

生态系统的弹性在很大程度上取决于其生物多样性的承载容量。

The resilience of an ecosystem depends largely on the carrying capacity of its biodiversity.

Academic ecological terminology.

该政策旨在通过结构性改革来释放经济的潜在容量。

The policy aims to release the potential capacity of the economy through structural reforms.

Macroeconomic usage: '潜在容量' (potential capacity).

在信息论中，信道容量定义了信息传输的理论极限。

In information theory, channel capacity defines the theoretical limit of information transmission.

Scientific term: '信道容量' (channel capacity).

这种哲学观点认为，人类灵魂的容量是无限的。

This philosophical view holds that the capacity of the human soul is infinite.

Philosophical/Literary metaphorical usage.

城市规划者必须在人口增长与基础设施容量之间取得微妙的平衡。

Urban planners must strike a delicate balance between population growth and infrastructure capacity.

Sophisticated sentence structure and vocabulary.

该电厂的装机容量位居世界前列，为地区发展提供了动力。

The power plant's installed capacity ranks among the top in the world, providing power for regional development.

Technical term: '装机容量' (installed capacity).

探讨文化容量的广度，有助于我们理解文明的演进历程。

Exploring the breadth of cultural capacity helps us understand the evolutionary process of civilization.

Deeply abstract and intellectualized usage.

Synonyms

容积负载限度

Common Collocations

存储容量

电池容量

最大容量

市场容量

内存容量

扩大容量

容量不足

额定容量

脑容量

生产容量

Common Phrases

大容量

— Large capacity. Used to market products like power banks or washing machines.

我买了一个大容量的充电宝。

扩容

— To expand capacity. Short for 扩大容量, used frequently in tech.

我的云盘需要扩容了。

满容量

— Full capacity. Working at the absolute limit.

工厂正处于满容量运转状态。

实际容量

— Actual capacity. The real amount as opposed to the theoretical or advertised one.

这款U盘的实际容量只有29GB。

单位容量

— Unit capacity. Capacity per specific unit (e.g., per gram).

这种材料具有很高的单位容量。

总容量

— Total capacity. The sum of all parts of a system's capacity.

水库的总容量非常惊人。

剩余容量

— Remaining capacity. How much space is left.

请检查硬盘的剩余容量。

额定容量

— Rated capacity. The official capacity specified by the manufacturer.

变压器的额定容量已在铭牌上标明。

设计容量

— Design capacity. The capacity something was originally planned to have.

这座桥的设计容量已经无法承受现在的车流量。

标准容量

— Standard capacity. The typical or regular size for a product.

我们提供标准容量和加大容量两种选择。

Often Confused With

容量 vs 体积

体积 is the external volume (how much space it takes up), while 容量 is the internal capacity (how much it can hold).

容量 vs 数量

数量 is the actual number of items present, while 容量 is the maximum possible number of items.

容量 vs 重量

重量 is the heaviness of an object, whereas 容量 is its space capacity.

Idioms & Expressions

"量力而行"

— To act according to one's ability. While not using '容量', it uses '量' in the sense of capacity/ability.

做慈善也要量力而行。

Formal

"宽宏大量"

— Magnanimous and generous. Uses '量' to mean the capacity of one's heart/spirit.

他是一个宽宏大量的人，原谅了我的错误。

Formal

"有限容量"

— Limited capacity. Often used to remind people of boundaries.

人的精力是有限容量的，不能没完没了地工作。

General

"海纳百川"

— The sea can hold a hundred rivers. A metaphor for great capacity and inclusiveness.

上海是一座海纳百川的城市。

Literary

"虚位以待"

— To leave a seat empty for a worthy person. Implies having the capacity/space for someone.

我们公司正虚位以待，欢迎各界人才。

Formal

"满招损，谦受益"

— Pride leads to loss, humility brings benefit. Relates to the state of being 'full' (capacity).

你要时刻记住满招损，谦受益的道理。

Literary

"绰绰有余"

— More than enough. Implies the capacity far exceeds the requirement.

这个房间住三个人绰绰有余。

General

"不可限量"

— Limitless. Usually used to describe someone's future potential (capacity for growth).

这个年轻人的前途不可限量。

General

"斗量帚扫"

— To measure by the bushel and sweep with a broom. Used for things that are very common or in large quantities (capacity).

这种人才在当时并非斗量帚扫。

Literary

"量入为出"

— To spend according to income. Uses '量' to mean measuring capacity of funds.

家庭理财应该量入为出。

Formal

Easily Confused

容量 vs 容积

Both mean volume/capacity.

容积 is strictly for geometric/physical volume in scientific units. 容量 is broader and used for data, batteries, and markets.

这个容器的容积是1立方米，它的存储容量是1000升。

容量 vs 含量

Both end in '量' and relate to 'how much'.

含量 is the amount of a substance *inside* something (content). 容量 is the *potential* space available.

这瓶水的容量是500毫升，但它的矿物质含量很低。

容量 vs 容量 vs 容纳

Related roots.

容量 is a noun (capacity). 容纳 is a verb (to hold/accommodate).

这个礼堂能容纳一千人，它的容量非常大。

容量 vs 流量

Common in tech.

流量 is 'flow' or 'traffic' (data used or people passing). 容量 is 'storage' or 'static limit'.

我的手机套餐流量很多，但手机本身的容量很小。

容量 vs 气量

Both involve capacity.

气量 is specifically for human magnanimity/tolerance. 容量 is for objects or systems.

他的气量很大，能容忍别人的错误。

Sentence Patterns

这个 [Noun] 的容量很 [Adjective]。

这个杯子的容量很大。

[Noun] 的容量是 [Number] [Unit]。

手机的容量是128GB。

由于容量 [不足/限制]，不能 [Action]。

由于容量限制，不能上传文件。

为了 [Purpose]，我 [扩大/增加] 了容量。

为了存照片，我扩大了容量。

[Subject] 的 [Noun] 容量面临 [Challenge/Status]。

这个城市的交通容量面临巨大压力。

在 [Context] 下，[Subject] 的容量 [Verb] 了 [Effect]。

在极端天气下，电网的容量受到了考验。

[Abstract Concept] 的容量在很大程度上取决于 [Factor]。

文明的容量在很大程度上取决于其包容性。

通过 [Method]，我们可以有效提升其 [Specific] 容量。

通过算法优化，我们可以有效提升其信道容量。

Word Family

Nouns

容器 (róngqì) - Container

容量 (róngliàng) - Capacity

容貌 (róngmào) - Appearance

量具 (liàngjù) - Measuring tool

Verbs

容纳 (róngnà) - To accommodate

宽容 (kuānróng) - To tolerate

测量 (cèliáng) - To measure

估量 (gūliàng) - To estimate

Adjectives

大量 (dàliàng) - A large amount of

限量 (xiànliàng) - Limited edition/amount

体积 (tǐjī)

面积 (miànjī)

重量 (zhòngliàng)

数量 (shùliàng)

内存 (nèicún)

How to Use It

frequency

High, especially in technical and commercial settings.

Common Mistakes

我的手机容量很多。 → 我的手机容量很大。
Capacity is a measure of size/limit, so we use '大' (large) instead of '多' (many).
这个杯子的体积是500毫升。 → 这个杯子的容量是500毫升。
体积 (tǐjī) refers to the external physical space occupied by the cup itself. 容量 (róngliàng) refers to what it can hold.
我需要一个重容量的充电宝。 → 我需要一个大容量的充电宝。
In English we might say 'heavy duty' or 'large capacity', but in Chinese, only '大' is used for high capacity.
这个教室能容量五十个人。 → 这个教室能容纳五十个人。
容量 is a noun (capacity). 容纳 is the verb (to accommodate/hold).
这瓶水的容量含量很高。 → 这瓶水的矿物质含量很高。
容量 is the size of the bottle. 含量 is the amount of a specific ingredient (like minerals) inside.

Tips

Use '大/小', not '多/少'

Remember that capacity is a dimension of size. Always pair '容量' with '大' (big) or '小' (small). Saying '容量很多' is a common mistake for English speakers.

Tech Context

In the world of smartphones, '容量' is usually about '存储' (storage). If you want to talk about RAM, use '内存' (nèicún), though colloquially people often mix them.

Stroke Order for 量

The character '量' has many horizontal strokes. Ensure you count them correctly: it's '日' (sun) on top, then a horizontal line, then '里' (village/mile) at the bottom.

Verb Pairing

Common verbs to use with 容量 are '扩大' (expand), '增加' (increase), '达到' (reach), and '超过' (exceed).

Shopping Tip

When shopping online in China (like on Taobao), look for the '容量' specification for everything from power banks to backpacks.

Business Terminology

'市场容量' (market capacity) is a key term for business presentations. Use it to describe the total potential of a market.

Brain Capacity

Use '脑容量' (brain capacity) jokingly when you feel overwhelmed with information: '我的脑容量已经爆了' (My brain capacity has exploded).

容量 vs 体积

Always remember: '体积' is how big it looks on the outside; '容量' is how much it holds on the inside.

Units of Measure

Capacity is usually followed by units like 升 (L), 毫升 (ml), or GB/TB. Knowing these units helps identify the word in listening.

Capacity Limits

In elevators or buses, look for '限载' or '容量'. It's important for following safety regulations in China.

Memorize It

Mnemonic

Imagine a 'Roof' (宀) over a 'Valley' (谷) forming '容' (to hold). Then imagine someone using a tool to measure 'Quantity' (量). Together, they measure how much the valley can hold.

Visual Association

Picture a 1TB hard drive shaped like a giant water tank. The 'capacity' (容量) is what links the physical size of the tank to the digital files inside.

Word Web

Storage Volume Gigabytes Liters Limit Container Battery Market

Challenge

Try to find three objects in your room right now and describe their '容量' in Chinese (e.g., '这个杯子的容量是...').

Word Origin

The word '容量' is a compound of two ancient Chinese characters. '容' (róng) dates back to the oracle bone script, depicting a roof over a valley, symbolizing a space that can hold or receive things. '量' (liàng) also has ancient roots, representing a tool used to measure grain or weight.

Original meaning: The original meaning of the combination was literally 'the measured amount that can be contained.'

Sino-Tibetan / Sinitic

Cultural Context

No specific sensitivities, but avoid using '容量' to describe a person's physical size, as it sounds dehumanizing or like you are talking about a container.

English speakers use 'capacity' for both people and things, but Chinese uses '容量' mostly for things/systems and '气量' for people's character.

The Three Gorges Dam (often discussed in terms of its massive storage capacity). Smartphone launches (Apple/Xiaomi) where '容量' is a key marketing buzzword. The concept of 'Market Capacity' in China's huge e-commerce sector.

Practice in Real Life

Real-World Contexts

Buying Electronics

存储容量
内存容量
电池容量
支持扩容

Shopping for Kitchenware

大容量
额定容量
几升的容量
足够全家人用

Business Meetings

市场容量
生产容量
容量饱和
扩大规模

Public Safety/Transport

载客容量
最大容量
严禁超载
容量限制

Computer Science

硬盘容量
缓存容量
信道容量
容量规划

Conversation Starters

"你手机的容量是多少GB的？够用吗？"

"买冰箱的时候，你最看重的是容量还是省电？"

"你觉得这个城市的地铁容量能承受现在的人口吗？"

"如果云盘容量满了，你会选择付费扩容还是删除文件？"

"这家餐厅的容量好像很小，我们需要提前订位吗？"

Journal Prompts

描述你最常用的电子设备，它的容量对你的生活有什么影响？

如果你可以扩充自己的脑容量，你最想学习哪方面的知识？

谈谈你对当前市场容量的看法，哪个行业还有增长空间？

反思一下你的‘情绪容量’，在压力大的时候你是如何调节的？

描述一个你见过的容量非常大的建筑物（如体育馆或图书馆）。

Frequently Asked Questions

10 questions

Generally, no. For a person's physical size, use '体型' or '体积'. For a person's emotional tolerance, use '气量' or '胸怀'. However, you can use '脑容量' (brain capacity) humorously to refer to someone's intelligence or memory.

They are very similar. '容积' (róngjī) is more scientific and used for physical volume in liters or cubic meters. '容量' (róngliàng) is more common and used for data storage, batteries, and general capacity.

The most common way is '扩大容量' (kuòdà róngliàng) or the shorter version '扩容' (kuòróng).

No, it is used for liquids (bottles), solids (boxes), data (hard drives), electricity (batteries), and even people (stadium capacity).

No. In Chinese, capacity is treated like a size. You should say '容量很大' (large capacity) or '容量很小' (small capacity).

It means 'market capacity,' which refers to the total potential demand or the maximum size of a specific market.

It refers to storage space (硬盘容量) or memory (内存容量). It is measured in bytes, KB, MB, GB, or TB.

It is 'rated capacity,' the official capacity specified by a manufacturer for a piece of equipment, like a battery or a transformer.

Yes, it can be used for 'cognitive capacity' (认知容量) or 'psychological capacity' (心理容量) in academic or professional discussions.

The opposite is '容量很小' (small capacity) or '容量有限' (limited capacity).