That's so true

USAGE SUMMARY

The phrase "That's so true" is grammatically correct and commonly used in written English
It is typically used to agree with or confirm the truth of a statement. Example: "I couldn't believe how beautiful the sunset was last night." Response: "That's so true. The colors were breathtaking."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

38 human-written examples

I thought, God, that's so true!

The Guardian

He transcends the "yes, that's so true, I agree!" into the "oh ew, no I'm not sure where this going …".

The Guardian

Of course, not everybody's an artist – that's so true – however pretty much everyone benefits from exposure to positive self expression, particularly when the content is driven by harsh, often destructive, unexpressed emotion, often born of historic trauma.

The Guardian - Opinion

Bernard:  That's so true.

TechCrunch

A could-be (normally is) oxymoron that's so true in this case you might actually start to feel a little lonely.

Huffington Post

"That's so true -- I would miss our little farmer's market way too much if we left Oakland".

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

22 human-written examples

That was so true that the first of Newcomen's steam engines wasn't built in a tin mine, but in coal works near Dudley.

The Guardian - Tech

OTHER PERSON: That is so true!

The New Yorker

"That is so true," the lawyer says, with emotion.

The New Yorker

I told her that it depended on the number of times I thought, "That is so true".

The New York Times

"It's no use," he said, shaking his head, and that was so true back in those days.

The New York Times

Expert writing Tips

Best practice

The phrase is most effective when followed by a personal anecdote that proves why the statement resonates with you.

Common error

In academic or technical writing, avoid using "That's so true" as it sounds overly subjective and lacks evidentiary weight. Instead of simple agreement, use a bridge like "<a href="/s/this+observation+aligns+with" target="_blank" rel="alternative">this observation aligns with" to maintain a professional tone.

Linguistic Context

The phrase "That's so true" functions as an affirmative response token. It is composed of a demonstrative pronoun, a contracted copula, an intensifying adverb, and an adjective. According to Ludwig AI, it is a standard construction used to provide immediate feedback in discourse.

Expression frequency: Common

Frequent in

News & Media

75%

Wiki

15%

Social Media

5%

Less common in

Academia

2%

Business

2%

Science

1%

Ludwig's WRAP-UP

The phrase "That's so true" is a staple of modern English communication. Ludwig AI confirms that it is grammatically correct and widely used by expert writers to reflect authentic human interaction. It serves as a powerful validation tool in News & Media and Wiki contexts. While it is highly effective for building rapport and signaling shared understanding, writers should be mindful of its informal nature and avoid its use in highly technical or academic documents where more objective phrasing is preferred. Overall, it remains one of the most natural ways to express strong agreement in contemporary English.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I couldn't agree more

Emphasizes absolute and total agreement in a more sophisticated manner

Too true

A common British-leaning informal variation

That is spot on

Focuses on the accuracy and precision of the point being made

Absolutely

Adds high intensity to the agreement without using the word "true"

I feel the same way

Shifts the focus from the objective truth to a shared subjective emotion or opinion

Exactly

A more concise and punchy one-word alternative

You hit the nail on the head

An idiomatic way to say the statement is perfectly accurate

You're telling me

Much more informal and implies the speaker has first-hand experience with the truth of the statement

Tell me about it

Used specifically when agreeing with a complaint or a shared frustration

That's a valid point

More analytical and objective, suitable for professional discussions

FAQs

How do I use "That's so true" in a sentence?

It is typically used as a standalone response or as a reaction to a statement, for example: "Finding a good apartment is so stressful." "That's so true, I've been looking for months."

What can I say instead of "That's so true"?

You can use alternatives like "<a href="/s/exactly" target="_blank" rel="alternative">exactly", "<a href="/s/spot+on" target="_blank" rel="alternative">spot on", or "<a href="/s/i+agree+completely" target="_blank" rel="alternative">I agree completely" depending on the context.

Is "That's so true" grammatically correct?

Yes, it is a grammatically correct contraction of "That is so true". Ludwig AI confirms its frequent usage in reputable publications like The New Yorker and The Guardian.

What is the difference between "That's so true" and "That's very true"?

While both are correct, "<a href="/s/that's+so+true" target="_blank" rel="alternative">That's so true" is slightly more conversational and emphatic, whereas "<a href="/s/that's+very+true" target="_blank" rel="alternative">That's very true" feels a bit more formal and measured.