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
knowledge of whether
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knowledge of whether" is correct and usable in written English.
It can be used when discussing awareness or understanding regarding a specific condition or situation. Example: "The scientist's knowledge of whether the experiment would yield positive results was crucial for the research."
✓ Grammatically correct
News & Media
Science
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
60 human-written examples
We have very little knowledge of whether athletes are competing at their best possible distance.
News & Media
Knowledge of whether controls are adequate -- and whether management is fixing any problems -- has long been known to be important.
News & Media
Although Ortiz has no knowledge of whether Rodriguez tipped pitches, he said, "I don't see how that could happen".
News & Media
Even candidates in close elections usually have some advance knowledge of whether they are going to win.
News & Media
But if that happens, it will be despite the policy makers having no knowledge of whether there is actually any gas shortage at all.
News & Media
"The only person who has sure knowledge of whether Saddam Hussein will use those weapons is Saddam Hussein, Mr. Fleischerr said.
News & Media
Tom Kelly, a spokesman for the Metropolitan Transportation Authority, which owns the site, said he had "no knowledge" of whether it was true.
News & Media
And because both were so far removed from the information, neither had any knowledge of whether the tippers provided the secret data to benefit themselves, they argued.
News & Media
Patricia Summers, a spokeswoman for the British Consulate General in New York, said she did not have "any knowledge" of whether Prince Harry planned any unofficial outings.
News & Media
Without the knowledge of whether increasing the minimum weight would make an appreciable difference, or just room for an extra breakfast bagel that would have to be flipped, Lukas's cynicism was still about as depressing as it gets.
News & Media
Bishop Walker said he had no intention of resigning, had no knowledge of whether donors were withholding money while he remained, and regarded Dean Cardone's demand that he step down as predictable.
News & Media
Expert writing Tips
Best practice
When using "knowledge of whether", ensure the sentence clearly indicates what the subject is aware or informed about. For example, "The study examined the patient's knowledge of whether the treatment was effective."
Common error
Avoid using "knowledge of whether" without clearly specifying the subject of knowledge. Incorrect: "There was knowledge of whether the project would succeed." Correct: "The team had knowledge of whether the project would succeed."
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knowledge of whether" functions as a noun phrase, often acting as the subject or object of a sentence. It introduces a condition or possibility that someone has information about. As Ludwig AI shows, it's frequently used in news and science contexts.
Frequent in
News & Media
35%
Science
55%
Formal & Business
5%
Less common in
Academia
2%
Encyclopedias
1%
Reference
2%
Ludwig's WRAP-UP
In summary, "knowledge of whether" is a grammatically sound and frequently used phrase that indicates awareness or understanding concerning a particular condition or scenario. As confirmed by Ludwig AI, this phrase is common across diverse contexts such as news, science, and formal communications. When using "knowledge of whether", ensure the subject of knowledge is clearly defined to avoid ambiguity. Alternatives like "understanding if" or "awareness of if" can be considered depending on the context and desired level of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
understanding if
Replaces "knowledge" with "understanding" and "whether" with "if", simplifying the sentence structure.
awareness of if
Substitutes "knowledge" with "awareness" and "whether" with "if", focusing on a general understanding.
knowing if
Condenses the phrase to a gerund form, simplifying the structure while maintaining the core meaning.
certainty about if
Replaces "knowledge" with "certainty" and "whether" with "if", emphasizing sureness regarding a situation.
recognition of if
Substitutes "knowledge" with "recognition", highlighting the acknowledgment or awareness of a particular fact or situation.
being informed about if
Replaces "knowledge" with "being informed", adding a layer of formality and emphasis on the information aspect.
discernment of if
Replaces "knowledge" with "discernment", emphasizing the ability to distinguish or perceive the truth.
perception of if
Replaces "knowledge" with "perception", referring to the way something is understood or interpreted.
grasp of if
Substitutes "knowledge" with "grasp", indicating a firm understanding or control of the information.
having an idea if
Presents a more casual alternative, suggesting a less comprehensive understanding.
FAQs
How can I use "knowledge of whether" in a sentence?
Use "knowledge of whether" to indicate awareness or understanding about a particular situation or condition. For example: "The company lacked "knowledge of whether" the new product would be successful."
What are some alternatives to "knowledge of whether"?
You can use alternatives like "understanding if", "awareness of if", or "certainty about if" depending on the context.
Is it correct to say "information on whether" instead of "knowledge of whether"?
While "information on whether" can be used, ""knowledge of whether"" emphasizes a deeper understanding or awareness, as shown by Ludwig AI.
What's the difference between "awareness of whether" and ""knowledge of whether""?
"Awareness of whether" suggests a basic understanding, while ""knowledge of whether"" implies a more in-depth understanding or expertise.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested