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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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cool to know

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "cool to know" is correct and usable in written English.
It can be used when expressing that a piece of information is interesting or valuable to learn. Example: "I just found out that the library has a new digital archive. That's really cool to know!"

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

"It's just cool to know".

News & Media

The New York Times

That would be really, really cool to know".

News & Media

The New Yorker

At the time, it was very cool to know about obscure music.

"That's really cool to know," said Robert Semba, a patron, when told of the policy.

News & Media

The New York Times

They thought it would be cool to know more about the subculture.

"In junior high it's no longer cool to know someone who has issues with kids".

News & Media

The Guardian
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

23 human-written examples

"It's nice knowing a veteran's there, but it's cooler to know that he's successful.

News & Media

The New York Times

I don't meet many new people, but it's been cool getting to know her".

Mackintosh-Smith has kept his cool, enough to know what we want and what we are due.

You don't need to hang out with the cool kids to know what's up; it's all on Instagram.

Punk, rave, jungle, garage – those were subcultures for people cool enough to know about them.

News & Media

Vice
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Expert writing Tips

Best practice

Combine "cool to know" with a specific detail to show what you find appealing. For example: "It's cool to know that honey never spoils."

Common error

Avoid using "cool to know" in highly formal or professional settings. While acceptable in many situations, consider more formal alternatives like "it's beneficial to note" or "it's valuable information" for a more appropriate tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "cool to know" functions as an interjectional phrase, expressing a positive reaction upon learning something. It adds a touch of informal approval or acknowledgement to the information received. According to Ludwig AI, it's correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

50%

Science

25%

Wiki

25%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "cool to know" is a common and grammatically correct way to express mild enthusiasm or interest upon learning something new. Ludwig AI confirms its validity and usability in writing. While generally informal, it appears across various contexts, including news, science, and wiki sources. To maintain an appropriate tone in more formal settings, consider alternatives like "good to know" or "interesting to know". Remember to use it in situations that express that the information is interesting, useful, or pleasing to learn.

FAQs

What does "cool to know" mean?

The phrase "cool to know" expresses that a piece of information is interesting, useful, or pleasing to learn. It indicates a positive reaction to acquiring new knowledge.

What can I say instead of "cool to know"?

You can use alternatives like "good to know", "nice to know", or "interesting to know" depending on the context and your desired level of formality.

Is "cool to know" formal or informal?

The phrase "cool to know" is generally considered informal. It's more suitable for casual conversations and less formal writing. Use more formal alternatives in professional or academic settings.

How can I use "cool to know" in a sentence?

You can use "cool to know" to react to information someone has shared. For example: "I didn't know that! That's actually cool to know."

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: