Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fascinating to know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fascinating to know" is correct and usable in written English.
It can be used when expressing curiosity or interest in learning about a particular fact or piece of information. Example: "I find it fascinating to know how ancient civilizations built their structures without modern technology."
✓ Grammatically correct
News & Media
Science
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
26 human-written examples
It would be fascinating to know what cultural criteria Mr Cameron and his advisors use.
News & Media
Whether that's the perception inside of P&G would be fascinating to know.
News & Media
"I learned it's very fascinating to know what the relative nature of truth is," Virk said.
News & Media
But it'd be fascinating to know what, if any, sales boost Macy's ends up getting from this.
News & Media
Dr. Haseltine suggested that the long regions of DNA in between the genes were like cosmology, fascinating to know about but of little commercial interest.
News & Media
It would be fascinating to know what literary works have shaped the message and medium of their politics; and to learn who, if anybody, is their Edward Abbey.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
It was fascinating to experience and get to know different cultures and other peoples' way of life, and made the participants grateful for what they had back home.
"I found this just fascinating and had to know more about it," she said.
News & Media
It's been fascinating to get to know my son not just as my son but as my business partner".
News & Media
It is fascinating to get to know someone's work and see how it has changed and evolved over a decade, sometimes even longer.
News & Media
It's always fascinating how everyone seems to know that one thing will be in fashion and not another.
News & Media
Expert writing Tips
Best practice
Use "fascinating to know" to express genuine curiosity or intellectual interest in learning something new. It conveys a sense of wonder and engagement with the subject matter.
Common error
While "fascinating to know" is perfectly acceptable, be mindful of using it excessively in highly formal or academic writing. Consider more neutral alternatives like "interesting to note" or "important to consider" to maintain a professional tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fascinating to know" functions as an adjective phrase expressing a strong sense of interest or curiosity. Ludwig AI indicates its acceptability, making it suitable for expressing enthusiasm for acquiring information. It highlights the speaker's or writer's captivation with the subject matter.
Frequent in
News & Media
70%
Academia
15%
Science
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "fascinating to know" is a grammatically correct and frequently used expression to convey a strong sense of interest and curiosity. As Ludwig AI confirms, it is suitable for various contexts, primarily appearing in News & Media, Academia and Science. While "fascinating to know" works well in most situations, one should consider the register of their writing. If the situation is extremely formal, consider replacing "fascinating to know" with "intriguing to learn", "captivating to discover", or simply "interesting to know".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
intriguing to know
Indicates that the information sparks curiosity.
fascinating to discover
Replaces 'know' with 'discover', suggesting a finding or revelation.
fascinating to ascertain
Replaces 'know' with 'ascertain', indicating a process of finding something out.
compelling to know
Focuses on the irresistible nature of the information.
gripping to know
Emphasizes how captivating the information is.
magnificent to know
Emphasizes the grandeur of the information, slightly stronger in positive connotation.
wonderful to know
Highlights the pleasant or delightful nature of the information.
amazing to know
Highlights the surprising or astonishing aspect of the information.
exciting to know
Highlights the thrill of learning or discovering something.
rich to know
Suggests the information is valuable and insightful.
FAQs
How can I use "fascinating to know" in a sentence?
You can use "fascinating to know" to express your interest in learning something, such as, "It's "fascinating to know" how they built the pyramids" or "I find it "fascinating to know" about different cultures".
What are some alternatives to "fascinating to know"?
Some alternatives include "intriguing to learn", "captivating to discover", or simply "interesting to know", depending on the context and the level of emphasis you want to convey.
Is "fascinating to know" a formal or informal expression?
"Fascinating to know" is generally considered a neutral expression suitable for both formal and informal contexts. However, in highly formal or academic writing, you might prefer alternatives like "noteworthy to mention" or "remarkable to consider".
What's the difference between "fascinating to know" and "interesting to know"?
While both phrases express interest, ""fascinating to know"" conveys a stronger sense of wonder and captivation than "interesting to know", which is a more general expression of interest.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested