Formal Causation: Due to (-로 인하여)
Grammar Rule in 30 Seconds
Use -로 인하여 to express formal causes or reasons in writing and professional speech.
- Attach directly to nouns: 폭우로 인하여 (due to heavy rain).
- Used primarily in formal writing, news, and official announcements.
- Can be shortened to -로 인해 in slightly less formal contexts.
Overview
Korean, like many languages, possesses distinct registers for communication. While casual discourse might employ a straightforward 때문에 (ttaemune) or -(아/어)서 (-(a/eo)seo) to express causation, formal contexts demand a more elevated and impersonal linguistic structure. This is where the grammar pattern -(으)로 인하여 (-(eu)ro inhayeo) becomes indispensable.
It serves as a highly formal and objective marker signifying "due to," "owing to," or "because of," typically linking a significant cause to an important consequence.
-(으)로 인하여 is a particle used predominantly in written reports, official announcements, academic papers, news broadcasts, and formal speeches. Its presence elevates the tone of discourse, signaling gravity, impartiality, and a focus on verifiable facts rather than personal sentiments. Unlike its more common counterparts, -(으)로 인하여 frames the cause as a neutral, external factor leading inevitably to a specific outcome, often of considerable impact or negative implication.
Understanding -(으)로 인하여 is crucial for learners aiming for B2-level proficiency and beyond, as it unlocks the ability to comprehend and produce sophisticated, formal Korean. Neglecting this distinction can lead to misunderstandings in formal contexts or, conversely, cause your speech to sound unduly stiff and unnatural in casual settings. It embodies a linguistic precision vital for academic and professional communication in Korean society.
How This Grammar Works
-(으)로 인하여 functions as a causal noun particle. It directly attaches to a noun, establishing that noun as the objective, often significant, cause or reason for a subsequent event or state. The verb 인하다 (inhada), from which this pattern derives, means "to be due to," "to be caused by," or "to stem from," emphasizing a direct and often unavoidable causal link.-(으)로 인하여, you are presenting the cause-and-effect relationship as a matter of fact, devoid of personal bias or emotional involvement. This makes it suitable for describing societal trends, scientific findings, official decrees, or natural phenomena where the focus is on the mechanism of causation rather than individual responsibility or feeling.경기 침체로 인하여 실업률이 증가했습니다. (gyeonggi chimchaero inhayeo sireomnyuri jeunggahetseupnida.: "Due to the economic recession, the unemployment rate increased.") frames the recession as an objective force driving unemployment.-(으)로 component of the particle often indicates means, instrument, or direction. When combined with 인하여, it implies that the noun acts as the source or instrumentality through which the subsequent event occurs. This combination results in a particle that powerfully connects a cause to its effect, particularly when the effect is substantial or official.-(으)로 인하여 is more formal and complete, while -(으)로 인해 (-(eu)ro inhae) is a common shortened variant that maintains formality but offers conciseness, often seen in headlines or rapid communication. Both forms maintain the same core meaning and usage context.시스템 오류로 인하여 데이터 손실이 발생하였습니다. (siseutem orryuro inhayeo deiteo sonsiri balsaenghayeotseupnida.: "Due to a system error, data loss occurred."), it highlights the system error as the direct, formal cause, without assigning personal blame. The phrasing is direct, factual, and carries significant weight, suitable for explaining serious outcomes. This contrasts sharply with informal expressions that might focus on blame (~탓에) or simple sequential events (-(아/어)서).Formation Pattern
-(으)로 인하여 strictly attaches to nouns. Its formation depends on whether the preceding noun ends in a vowel, the consonant ㄹ (rieul), or any other consonant (batchim).
ㄹ (rieul), attach -로 인하여.
-으로 인하여.
으 is inserted to facilitate pronunciation when a particle or suffix follows a consonant-ending stem, a phenomenon known as 음운론적 삽입 (eumunlonjeok sabip, phonological insertion).
Noun + -로 인하여 | 사고 (accident) | sago | 사고로 인하여 | sagoro inhayeo |
피해 (damage) | pihae | 피해로 인하여 | pihaero inhayeo |
ㄹ Consonant (special case) | Noun + -로 인하여 | 실패 (failure) | silpae | 실패로 인하여 | silpaero inhayeo |
감소 (decrease) | gamso | 감소로 인하여 | gamsoro inhayeo |
Noun + -으로 인하여 | 태풍 (typhoon) | taepung | 태풍으로 인하여 | taepung-euro inhayeo |
부족 (lack) | bujok | 부족으로 인하여 | bujog-euro inhayeo |
환경 (environment) | hwangyeong | 환경으로 인하여 | hwangyeong-euro inhayeo |
-(으)로 인하여 can be shortened to -(으)로 인해 (-(eu)ro inhae). This shortened form follows the exact same batchim rule for -(으)로. For example: 사고로 인해 (sagoro inhae) or 태풍으로 인해 (taepung-euro inhae). Both forms are equally formal and convey the same meaning, with -(으)로 인해 simply being more succinct, which is often preferred in headlines or technical writing.
-(으)로 인하여 is an adverbial phrase, modifying the entire clause that follows. However, it also has an adjectival form: -(으)로 인한 (-(eu)ro inhan). This form directly modifies a noun, acting like an adjective. For example: 재난으로 인한 피해 (jaenan-euro inhan pihae: "damage caused by the disaster"). You will frequently encounter both forms in formal texts, and understanding their distinction – one modifying a verb/clause, the other modifying a noun – is key to accurate comprehension.
When To Use It
-(으)로 인하여 signals a deliberate choice to adopt a highly formal and objective tone. This pattern is not for everyday chat but for situations demanding precision, gravity, and often, an impersonal recounting of cause and effect. Its use is most appropriate and expected in the following contexts:- Official Reports and Documents: In academic papers, business reports, legal contracts, government communiqués, and scientific publications,
-(으)로 인하여provides a rigorous and unambiguous link between events. For example, a research paper might state:실험 방법의 한계로 인하여 결과 해석에 주의가 필요합니다.(silheom bangbeobui hangyero inhayeo gyeolgwa haeseoge juuiga piryohapnida.: "Due to the limitations of the experimental method, caution is required in interpreting the results.") This establishes a formal, objective justification.
- Public Announcements and News Reporting: When conveying information to a broad audience, especially concerning important events, changes, or disruptions,
-(으)로 인하여lends authority to the message. You will frequently hear it in broadcast news or see it in public notices. Consider a subway announcement:예기치 못한 사고로 인하여 열차 운행이 지연되고 있습니다.(yegichi mothan sagoro inhayeo yeolcha unhaeng-i jiyeondoego itseupnida.: "Due to an unforeseen accident, train operations are being delayed.") This language choice underscores the severity and factual nature of the delay.
- Formal Speeches and Presentations: In formal presentations, lectures, or speeches, especially on serious or complex topics,
-(으)ro inhayoecontributes to a polished and intellectual delivery. A speaker might say:기술 발전으로 인하여 사회 전반에 걸쳐 큰 변화가 초래되었습니다.(giseul baljeoneuro inhayeo sahoe jeonbane geolchyeo keun byeonhwaga choraedoeeotseupnida.: "Due to technological advancement, significant changes have been brought about across society as a whole.") This phrasing elevates the discourse beyond simple cause-and-effect.
- Impersonal and Serious Causation: Use this pattern when the cause is an impersonal factor, a systemic issue, a natural event, or a significant incident, particularly if the outcome is negative or has broad implications. It is less about individual actions and more about overarching conditions. For instance,
폭우로 인하여 산사태가 발생했습니다.(poguro inhayeo sansataega balsaenghaetseupnida.: "Due to heavy rain, a landslide occurred.") clearly and formally states the natural cause of a serious event.
-(으)로 인하여 in:- Casual Conversations: It will sound extremely unnatural, overly stiff, and even pretentious in everyday spoken Korean. For example, telling a friend
늦잠으로 인하여 지각했어요.(neutjam-euro inhayeo jigakhaesseoyo.: "I was late due to oversleeping.") would be met with amusement or confusion;늦잠 자서 지각했어요.(neutjam jaseo jigakhaesseoyo.) is the natural choice.
- Personal Reasons or Trivial Matters: Unless you intend a sarcastic effect,
-(으)로 인하여is too heavy for minor personal inconveniences or simple preferences. It's reserved for causes with objective weight.
Common Mistakes
-(으)로 인하여. Recognizing and understanding these common errors is key to mastering its appropriate application:- Attaching to Verbs or Adjectives: The most frequent mistake is attempting to attach
-(으)로 인하여directly to a verb stem or an adjective. Remember, it is a noun particle and can only follow nouns. If your intended cause is expressed by a verb or adjective, you must first convert it into a noun form (nominalization). This typically involves using the-ㅁ/음(-m/eum) or-기(-gi) suffixes. - Incorrect:
비가 오으로 인하여(Incorrectly attaching to verb stem오다) - Correct (nominalization):
비가 옴으로 인하여(biga omeuro inhayeo: "due to rain coming") - While grammatically possible, this is often clunky. More naturally,비로 인하여(biro inhayeo: "due to rain") is preferred when비(rain) itself is the noun cause. - Incorrect:
복잡하으로 인하여(Incorrectly attaching to adjective stem복잡하다) - Correct (nominalization):
복잡함으로 인하여(bokjapameuro inhayeo: "due to being complex") - Again, often rephrased more naturally with a related noun, e.g.,복잡성으로 인하여(bokjapseong-euro inhayeo: "due to complexity").
- Overuse in Informal Contexts: As previously emphasized, using
-(으)로 인하여in casual conversation makes your Korean sound extremely stilted and artificial. It implies a level of formality that is out of place among friends, family, or even most everyday transactions. Native speakers will find it jarring, similar to a conversational partner suddenly switching to legalese or academic jargon for a simple explanation. - Incorrect (casual):
피곤함으로 인하여 집에 일찍 가고 싶어요.(pigonhameuro inhayeo jibe iljjik gago sipeoyo.: "Due to being tired, I want to go home early.") - Correct (casual):
피곤해서 집에 일찍 가고 싶어요.(pigonhaeseo jibe iljjik gago sipeoyo.: "Because I'm tired, I want to go home early.")
- Confusing with
-(으)로서(-(eu)roseo): While both include-(으)로,-(으)로서indicates status, qualification, or means/instrument, not causation.-(으)로 인하여specifically marks the reason or cause. 회장으로서 이 자리에 섰습니다.(hoepejang-eoseo i jarie seotseupnida.: "I stand here as the president.") --(으)로서here means 'as a'.회장의 결정으로 인하여 새로운 정책이 시행됩니다.(hoejang-ui gyeoljeong-euro inhayeo saeroun jeongchaegi sihaengdoepnida.: "Due to the president's decision, a new policy will be implemented.") --(으)로 인하여here means 'due to'. These are clearly distinct.
- Incorrect
으Insertion: Failing to correctly apply the으(eu) insertion rule for consonant-ending nouns can lead to awkward pronunciation and grammatical errors. - Incorrect:
정전로 인하여(jeongjeonro inhayeo) -정전ends inㄴ(consonant). - Correct:
정전으로 인하여(jeongjeon-euro inhayeo: "due to a power outage").
- Semantic Mismatch (Using for Positive/Personal): While technically grammatically possible, using
-(으)로 인하여for trivial or overwhelmingly positive personal causes often feels unnatural or ironically detached. For positive attribution,~덕분에(~deokbune, "thanks to") is far more natural and expresses gratitude. - Awkward (for positive):
선생님의 노력으로 인하여 제가 성공했습니다.(seonsaengnimui noryeog-euro inhayeo jega seonggonghaetseupnida.) - Grammatically fine, but선생님 덕분에 제가 성공했습니다.(seonsaengnim deokbune jega seonggonghaetseupnida.: "Thanks to my teacher's efforts, I succeeded.") sounds much more genuine and appreciative.
Real Conversations
To truly grasp -(으)로 인하여, observe where it naturally appears. While the section is titled "Real Conversations," it is critical to understand that "conversations" here refers to formal, often one-way, communication rather than casual dialogue. You will encounter -(으)ro inhayoe primarily in structured, public, or official discourse.
Here are scenarios where -(으)로 인하여 is used by native speakers:
- News Broadcast (TV/Radio): A reporter providing an update on a national issue or disaster. The language used is invariably formal and objective.
- `앵커:
Formation Table
| Noun Ending | Structure | Example |
|---|---|---|
|
Vowel
|
Noun + 로 인하여
|
사고 + 로 인하여
|
|
Consonant
|
Noun + 으로 인하여
|
폭설 + 으로 인하여
|
|
ㄹ
|
Noun + 로 인하여
|
실수 + 로 인하여
|
Common Shortened Forms
| Long Form | Short Form |
|---|---|
|
-로 인하여
|
-로 인해
|
|
-로 인하여
|
-로 말미암아
|
Meanings
This structure indicates the cause or reason for a situation, typically used in formal or written contexts.
Formal Causality
Expressing a reason for an event in a formal register.
“경기 침체로 인하여 많은 기업이 어려움을 겪고 있습니다.”
“개인적인 사정으로 인하여 사직서를 제출합니다.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Noun + (으)로 인하여
|
비로 인하여
|
|
Formal
|
Noun + (으)로 인하여
|
사고로 인하여
|
|
Slightly less formal
|
Noun + (으)로 인해
|
사고로 인해
|
|
Literary
|
Noun + (으)로 말미암아
|
사고로 말미암아
|
Formality Spectrum
비로 인하여 행사가 취소되었습니다. (Event cancellation)
비 때문에 행사가 취소됐어요. (Event cancellation)
비 와서 행사 취소됐어. (Event cancellation)
비 와서 행사 펑크남. (Event cancellation)
Causality Map
Contexts
- News News
- Reports Reports
- Formal Letters Formal Letters
Examples by Level
비로 인하여 집에 있어요.
I am home due to the rain.
사고로 인하여 늦었습니다.
I am late due to an accident.
눈으로 인하여 길이 막혔습니다.
The road is blocked due to snow.
감기로 인하여 학교에 못 갑니다.
I cannot go to school due to a cold.
폭우로 인하여 경기가 중단되었습니다.
The game was stopped due to heavy rain.
개인 사정으로 인하여 퇴사합니다.
I am resigning due to personal reasons.
기술적 문제로 인하여 서비스가 중단됩니다.
Service will be suspended due to technical issues.
인력 부족으로 인하여 공사가 지연됩니다.
Construction is delayed due to labor shortages.
환경 오염으로 인하여 많은 동물이 사라지고 있습니다.
Many animals are disappearing due to environmental pollution.
정부 정책으로 인하여 물가가 상승했습니다.
Prices have risen due to government policy.
지진으로 인하여 많은 건물이 파손되었습니다.
Many buildings were damaged due to the earthquake.
예산 부족으로 인하여 프로젝트가 무산되었습니다.
The project was canceled due to lack of budget.
글로벌 공급망 차질로 인하여 생산량이 감소했습니다.
Production volume decreased due to global supply chain disruptions.
급격한 기후 변화로 인하여 농작물 피해가 심각합니다.
Crop damage is severe due to rapid climate change.
법적 분쟁으로 인하여 계약이 해지되었습니다.
The contract was terminated due to legal disputes.
데이터 유출 사고로 인하여 보안 시스템을 강화했습니다.
We strengthened the security system due to the data leak incident.
급진적인 사회 구조의 변화로 인하여 전통적 가치관이 흔들리고 있다.
Traditional values are being shaken due to radical changes in social structure.
통화 정책의 불확실성으로 인하여 시장의 변동성이 확대되었다.
Market volatility has expanded due to uncertainty in monetary policy.
지정학적 리스크로 인하여 국제 관계가 긴장 국면에 접어들었다.
International relations have entered a tense phase due to geopolitical risks.
인구 절벽 현상으로 인하여 국가 경쟁력 약화가 우려된다.
Weakening national competitiveness is feared due to the demographic cliff phenomenon.
근대화 과정에서 발생한 부작용으로 인하여 현대 사회는 정체성의 혼란을 겪고 있다.
Modern society is experiencing an identity crisis due to the side effects that occurred during the modernization process.
언어적 결정론의 관점에서 볼 때, 사고의 체계는 언어적 구조로 인하여 제약받을 수 있다.
From the perspective of linguistic determinism, the system of thought can be constrained by linguistic structure.
역사적 맥락의 부재로 인하여 해당 사건에 대한 해석은 분분하다.
Interpretations of the event are divided due to the absence of historical context.
기술적 특이점으로 인하여 인류의 삶은 근본적인 전환점을 맞이하게 될 것이다.
Human life will face a fundamental turning point due to the technological singularity.
Easily Confused
Both mean 'because of'.
Both indicate cause.
Both are formal.
Common Mistakes
친구로 인하여 만났어요.
친구 때문에 만났어요.
비가 와서 인하여.
비로 인하여.
그것으로 인하여.
그것 때문에.
인하여 비가 왔어요.
비로 인하여 왔어요.
밥을 먹어서 인하여.
식사로 인하여.
선생님으로 인하여.
선생님 덕분에.
숙제로 인하여.
숙제 때문에.
기분으로 인하여.
기분 때문에.
그것이 인하여.
그것으로 인하여.
날씨로 인하여 기분이 좋아요.
날씨 때문에 기분이 좋아요.
그의 행동으로 인하여.
그의 행동 때문에.
인하여서.
인하여.
인하여 했다.
인하여 발생했다.
인하여 결과.
인하여 발생한 결과.
Sentence Patterns
___(으)로 인하여 사고가 발생했습니다.
___(으)로 인하여 프로젝트가 지연되었습니다.
___(으)로 인하여 물가가 상승했습니다.
___(으)로 인하여 사회적 갈등이 심화되고 있습니다.
Real World Usage
폭우로 인하여 도로가 침수되었습니다.
일정 변경으로 인하여 사과드립니다.
시스템 점검으로 인하여 접속이 불가합니다.
데이터 부족으로 인하여 결론을 내리기 어렵다.
계약 위반으로 인하여 소송이 제기되었습니다.
안전 점검으로 인하여 엘리베이터 운행이 중단됩니다.
Noun Only
Avoid Casual Use
Shorten for Flow
Professionalism
Smart Tips
Use -로 인하여 to sound more objective and authoritative.
Use -로 인하여 to show you are taking the situation seriously.
Use -로 인하여 to link causes to data points.
Use -로 인하여 to clearly state the reason for an action.
Pronunciation
Liaison
The 'ㄹ' in '인하여' flows smoothly.
Formal Statement
비로 인하여 ↘
Falling intonation for a serious statement.
Memorize It
Mnemonic
Think of 'In-ha-da' as 'In-the-cause-of'.
Visual Association
Imagine a formal report document with a heavy seal on it, representing the weight and formality of the phrase.
Rhyme
Formal writing, clear and true, use -로 인하여 for the cause of you.
Story
The CEO stood at the podium. He said, 'Due to the economic crisis (경제 위기로 인하여), we must change.' Everyone listened because he used the formal structure.
Word Web
Challenge
Write three sentences about why you are learning Korean using this structure.
Cultural Notes
Used in official emails to maintain distance and respect.
Standard phrase for reporting accidents.
Used to present objective evidence.
Derived from the verb '인하다' (to be caused by).
Conversation Starters
최근 뉴스에서 본 사건은 무엇인가요?
왜 한국어를 공부하게 되었나요?
가장 좋아하는 계절은 무엇인가요?
최근에 겪은 가장 큰 변화는 무엇인가요?
Journal Prompts
Common Mistakes
Test Yourself
폭설___ 인하여 비행기가 결항되었습니다.
Which sentence is most formal?
Find and fix the mistake:
친구로 인하여 늦었어요.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Due to the accident, I am late.
Answer starts with: 사고로...
Match each item on the left with its pair on the right:
Use '인력 부족' and '지연'.
사고___ 인하여.
Score: /8
Practice Exercises
8 exercises폭설___ 인하여 비행기가 결항되었습니다.
Which sentence is most formal?
Find and fix the mistake:
친구로 인하여 늦었어요.
인하여 / 취소되었습니다 / 폭우로 / 행사가
Due to the accident, I am late.
Match the cause to the result.
Use '인력 부족' and '지연'.
사고___ 인하여.
Score: /8
Practice Bank
12 exercises비 (rain) + ___ = Due to rain
Where would you see '시스템 점검으로 인하여' (Due to system maintenance)?
사람들으로 인하여 복잡합니다.
Connect the noun to '로' or '으로'.
The / cancelled / due to / fog / flight / was
Traffic accident ___ traffic jam. (Jam caused by accident)
___ -로 인하여 길이 미끄럽습니다. (The road is slippery due to ___.)
나의 귀여움으로 인하여 인기가 많아. (I am popular due to my cuteness.)
일정 변경___ ___.
Heavy rain (폭우) + ___ = Due to heavy rain
Match the phrase to its vibe.
Select the best headline.
Score: /12
FAQ (8)
No, you must nominalize the verb first (e.g., '먹다' -> '식사').
Yes, it is strictly for formal writing and professional speech.
They are interchangeable, but -로 인해 is slightly less stiff.
It is usually for neutral or negative causes; use -덕분에 for positive ones.
No, it sounds very unnatural in casual settings.
It is not 'better', just more formal and objective.
Only if the text is formal/business-related.
No, the tense is set by the final verb.
Scaffolded Practice
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2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
due to
English 'due to' is slightly more flexible than the strict Korean formal register.
debido a
Spanish uses it more frequently in daily speech than Korean uses -로 인하여.
aufgrund
German 'aufgrund' requires a genitive case, while Korean uses a particle.
～によって
Japanese 'ni yotte' is slightly more common in daily business than -로 인하여.
由于
Chinese 'youyu' is often placed at the start of a sentence, similar to Korean.
بسبب
Arabic 'bisabab' is used in both formal and informal contexts.
Learning Path
Prerequisites
Related Grammar Rules
Formal 'By' Agent (-에 의해)
Overview In Korean, expressing agency – the 'by' in 'done by' – isn't a one-size-fits-all matter as it often is in Engli...
Based On: -을/를 바탕으로
Overview In Korean, expressing that an action, creation, or judgment is **based on** a particular source is crucial for...
The 'Double Passive' Vibe (Advanced Causative Passive)
Overview Korean, like many languages, employs grammatical mechanisms to shift focus within a sentence. The **Double Pass...
The Inference Ending: It looks like... (-나/는가 보다)
Overview As you navigate the complexities of B2-level Korean, you encounter grammar that allows for more nuanced express...
Expressing Shock: -다니 (How Could...)
Overview **-다니** (romanized: -dani) is an upper-intermediate (B2) Korean grammar pattern used to express strong surpr...
