In 15 Seconds
- Use it to admit you made a mistake.
- Shows you are taking responsibility and being honest.
- Works in both casual and professional settings.
Meaning
This phrase is used to admit you made a mistake. It tells people you are taking responsibility for something that went wrong.
Key Examples
3 of 6Spilling a drink
Oh no, that's my fault, let me get a napkin.
Oh no, that's my fault, let me get a napkin.
Missing a work deadline
I didn't send the report on time; that's my fault.
I didn't send the report on time; that's my fault.
Texting a friend after being late
Still at the house, that's totally my fault! Be there in 10.
Still at the house, that's totally my fault! Be there in 10.
Cultural Background
In American business culture, 'owning' your mistakes is seen as a sign of leadership. Managers often prefer an employee who says 'That's my fault' over one who makes excuses. British people often use 'That's my fault' as part of a 'politeness sandwich,' where they apologize before and after the statement. While the English phrase is direct, in Japan, taking fault is often accompanied by a deep bow and a very specific level of formal language depending on the hierarchy. German culture values precision. If you say 'That's my fault,' be prepared to explain exactly *why* it happened and how you will prevent it next time.
Add a solution
When you say 'That's my fault,' follow it with a way to fix it. This makes you look very professional.
Don't over-apologize
If you say it too much for tiny things, people might think you lack confidence.
In 15 Seconds
- Use it to admit you made a mistake.
- Shows you are taking responsibility and being honest.
- Works in both casual and professional settings.
What It Means
That's my fault is the ultimate 'oops' phrase. You use it when you realize you did something wrong. It is direct and honest. It stops people from guessing who messed up. You are putting your hand up and saying, 'I am the one.' It is a simple way to show you are responsible. It helps clear the air immediately.
How To Use It
Put this phrase right at the start of your apology. You can say it alone or add a reason. For example, That's my fault, I forgot the keys. It works perfectly in spoken English and text messages. You can also say It's my fault for the same meaning. If you want to be stronger, add totally. Saying That is totally my fault shows you really feel bad. It is a very flexible tool for your social kit.
When To Use It
Use it when the mistake is clear and yours. Use it at a restaurant if you spill water. Use it at work if you miss a deadline. Use it with friends if you are late. It is great for small accidents. It also works for bigger errors. It shows you have a strong character. People usually forgive you faster when you admit it first. It is much better than making excuses.
When NOT To Use It
Do not use it if you did nothing wrong. Some people say it just to be nice. This can make you look weak or confused. Also, avoid it in very serious legal situations. In a car accident, lawyers often say not to admit fault immediately. Don't use it if someone else is clearly to blame. You don't need to be a hero for someone else's mess. Finally, don't over-use it for tiny things. If you say it every five minutes, it loses its power.
Cultural Background
In English-speaking cultures, taking 'ownership' is highly valued. People respect those who admit mistakes quickly. It is seen as a sign of maturity. In the US and UK, avoiding blame is often seen as annoying. There is a famous saying: 'Own your mistakes.' This phrase is the easiest way to do that. It helps build trust in friendships and jobs. It is a small phrase that carries a lot of respect.
Common Variations
My bad(Very casual, use with friends)I take full responsibility(Very formal, use at work)That's on me(Cool and modern, very common now)I messed up(Focuses on the action you did)Silly me(For very small, funny mistakes)
Usage Notes
This phrase is neutral and safe for 99% of situations. It is less casual than 'My bad' but less formal than 'I accept full responsibility.'
Add a solution
When you say 'That's my fault,' follow it with a way to fix it. This makes you look very professional.
Don't over-apologize
If you say it too much for tiny things, people might think you lack confidence.
The 'That' vs 'It' trick
Use 'That's my fault' when you are pointing at a specific mess or error right in front of you.
Face-saving
In some cultures, saying this in private is better than saying it in front of a large group.
Examples
6Oh no, that's my fault, let me get a napkin.
Oh no, that's my fault, let me get a napkin.
A quick reaction to a physical accident.
I didn't send the report on time; that's my fault.
I didn't send the report on time; that's my fault.
Professional accountability in a meeting.
Still at the house, that's totally my fault! Be there in 10.
Still at the house, that's totally my fault! Be there in 10.
Using 'totally' to emphasize the apology via text.
I completely forgot our dinner date, that's my fault and I'm so sorry.
I completely forgot our dinner date, that's my fault and I'm so sorry.
Shows deep sincerity in a personal relationship.
I thought you said 'bring a cat' not 'bring a hat,' that's my fault!
I thought you said 'bring a cat' not 'bring a hat,' that's my fault!
Lighthearted use for a silly error.
The error in the contract is my fault; I will fix it immediately.
The error in the contract is my fault; I will fix it immediately.
Direct and professional without being overly emotional.
Test Yourself
Complete the sentence to take responsibility for being late.
I'm sorry I missed the start of the movie. ______ my fault.
'That's' (That is) refers to the situation of missing the movie.
Which sentence is the most natural way to admit a mistake at work?
Your boss says the report has many errors.
This is the standard, professional way to admit an error and offer a solution.
What would you say in this situation?
Friend: 'Hey, you forgot to bring the snacks for the party!' You: 'Oh! ______.'
You are admitting you forgot something you were supposed to do.
Match the phrase to the correct level of formality.
1. My bad. 2. That's my fault. 3. I take full responsibility.
'My bad' is slang, 'That's my fault' is neutral, and 'I take full responsibility' is formal.
Add an intensifier to show you are very sorry.
I lost your favorite book. That's ______ my fault.
'Entirely' or 'completely' are the best adverbs to use with 'fault.'
🎉 Score: /5
Visual Learning Aids
Formality Levels
Practice Bank
5 exercisesI'm sorry I missed the start of the movie. ______ my fault.
'That's' (That is) refers to the situation of missing the movie.
Your boss says the report has many errors.
This is the standard, professional way to admit an error and offer a solution.
Friend: 'Hey, you forgot to bring the snacks for the party!' You: 'Oh! ______.'
You are admitting you forgot something you were supposed to do.
1. My bad. 2. That's my fault. 3. I take full responsibility.
'My bad' is slang, 'That's my fault' is neutral, and 'I take full responsibility' is formal.
I lost your favorite book. That's ______ my fault.
'Entirely' or 'completely' are the best adverbs to use with 'fault.'
🎉 Score: /5
Frequently Asked Questions
12 questionsNot exactly. 'I'm sorry' expresses an emotion (sadness), while 'That's my fault' admits responsibility. It's best to use both together.
Yes, they are almost identical. 'That's my fault' is slightly more common when referring to a specific event that just happened.
No, 'My bad' is too casual. Use 'That's my fault' or 'I take responsibility' instead.
You could say 'That's not my fault' or 'It's your fault' (though be careful, that's very aggressive!).
You can say, 'I accept full responsibility for this error.'
Adding 'entirely' or 'completely' shows that you aren't trying to blame anyone else at all.
No, 'fault' is only for negative things. For good things, say 'That was my doing' or 'I'm responsible for that.'
Use 'fault' for the blame/responsibility and 'mistake' for the specific error (like a spelling mistake).
No, even if you made many mistakes, we usually say 'That's my fault' in the singular for the whole situation.
Yes, it is very common in all varieties of English, including British, American, and Australian.
You can say, 'That's partly my fault' or 'I'm partially to blame.'
No, it usually sounds honest and mature, not overly emotional.
Related Phrases
My bad
synonymA casual way to admit a small mistake.
I messed up
similarAdmitting you did something wrong.
It's on me
similarTaking responsibility for a situation or a bill.
I take the blame
specialized formAccepting the negative consequences.
Mea culpa
formalLatin for 'my fault.'
Don't blame me
contrastDenying responsibility.
