So it is true vs That's right

When to use each in English, with meaning, register, and examples.

So it is true

Top 2,000 (common)

That's right

Beyond 10,000 (less common)

Most common: So it is true

	So it is true	That's right
Pronunciation	🇬🇧 //səʊ ɪt ɪz truː// 🇺🇸 //soʊ ɪt ɪz tru//	🇬🇧 //ðæts raɪt// 🇺🇸 //ðæts raɪt//
Meaning	this is true	You are correct.
Example	So it is true that she won the contest.	You got the answer, that's right!
Register	Neutral	Neutral
How common	Top 2,000 (common)	Beyond 10,000 (less common)
Collocations	so it is true that, so it is true when, so it is true about	that's right, exactly, that's right, of course, that's right, you got it
Antonyms	-	That's wrong, Not correct, That's false
Common mistakes	Confused about when to use 'so it is true' vs 'that's true'., Omitting 'so' and saying only 'it is true'., Using in overly informal contexts.	Using in a formal presentation, Confusing with 'that's correct', Overusing in conversations
Usage notes	Used to affirm a statement or belief. Appropriate in discussions and informal conversations, but can sound somewhat formal in casual settings.	Use to confirm someone’s statement. Avoid in formal writing or when disagreeing.

See it in real clips

The Lord Of The Rings › The Fellowship Of The Ring

So it is true.

So it is true

Friends › S1 E1

- Instead of... - That's right!

Breaking Bad › S1 E1

That's right.

That's right.

Friends › S1 E1

- Instead of... - That's right!

Breaking Bad › S1 E1

That's right.

That's right

Frequently asked questions: So it is true vs That's right

What's the difference between So it is true and That's right?

So it is true: this is true That's right: You are correct.

Which is more common: So it is true and That's right?

So it is true is the most common in everyday English.

Can you show an example of each?

So it is true: So it is true that she won the contest. That's right: You got the answer, that's right!

Can I use So it is true and That's right interchangeably?

Not always. So it is true and That's right are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.