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
to have knowledge on something
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase is correct and usable in written English.
You can use it when you want to express that you have knowledge about something. For example: "It is important to have knowledge on effective communication in order to succeed in the workplace."
✓ Grammatically correct
Wiki
News & Media
Science
Alternative expressions(20)
to be familiar with
to understand thoroughly
to have insight into something
to be acquainted with something
to have visibility on something
master subject
grasp concept
know something well
familiar with topic
expertise in subject
understanding of something
knowledge about something
familiarity with something
expertise in something
knowledge of something
perception of something
realise of something
study of something
notion of something
concept of something
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
1 human-written examples
Adjective- But on the other hand the word know meaning to have knowledge on something, to know information or be aware from observation.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
You have to have knowledge.
News & Media
They key here is to share something of value that your business has knowledge on while sharing more about what you do.
News & Media
A first concerns what it takes to have real knowledge of something, knowledge that comes by acquaintance not just by analysis.
News & Media
"Proving that they were negligent isn't enough; they had to have actual knowledge of something wrong.
News & Media
(In response to questions about the contractors and the aerial surveillance, an Energy Transfer spokeswoman, Vicky Granado, said, "That is not something I have knowledge of or information on").
News & Media
"The second way the BBC could be held liable is if a member of staff had knowledge something was going on that they could have stopped and they didn't.
News & Media
Education is important because when you have knowledge about a problem, you are also empowered with the knowledge to do something about that problem.
News & Media
Have knowledge.
Wiki
You have to have ownership of something -- and knowledge".
News & Media
Ford told BBC London: "To have his knowledge and vast experience on board is something coaches dream of.
News & Media
Expert writing Tips
Best practice
When writing, consider using more specific synonyms for "knowledge" like "expertise", "understanding", or "familiarity" to add precision to your meaning.
Common error
While "to have knowledge on something" is grammatically correct, overuse of the preposition "on" can make your writing sound less polished. Consider using alternatives like "about" or rephrasing to avoid the preposition altogether, for example, using "to have knowledge of something".
Source & Trust
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to have knowledge on something" functions as a verb phrase indicating the possession of information or understanding about a particular subject. As Ludwig AI suggests, it expresses having knowledge about something.
Frequent in
News & Media
37%
Wiki
24%
Science
24%
Less common in
Encyclopedias
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
In summary, "to have knowledge on something" is a grammatically correct phrase used to indicate possession of information or understanding about a specific subject. Ludwig AI confirms its usability in written English. Although acceptable, it appears less frequently than alternatives like "to have knowledge of something". Its usage is generally neutral, appearing across various contexts from news and media to scientific discussions, though with varying degrees of frequency. When writing, consider that being more specific with synonyms of "knowledge" can often improve clarity and impact. While not incorrect, be mindful of potentially overusing the preposition "on". Overall, the phrase is understandable and functional, but writers should be aware of more common and precise alternatives.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to understand something thoroughly
Focuses on the depth of understanding, implying a complete and detailed comprehension.
to be well-informed about something
Focuses on the state of being knowledgeable; uses "well-informed" as a substitute for directly possessing knowledge.
to have comprehensive awareness of something
Stresses a broad and complete understanding of a subject, useful in formal contexts.
to possess expertise regarding something
Replaces "knowledge" with "expertise" to emphasize a high level of skill or competence; uses "regarding" instead of "on" for slightly more formal tone.
to have insight into something
Emphasizes understanding the underlying nature or hidden aspects of the subject.
to have a grasp of something
Implies a comprehensive understanding, often suggesting an intuitive sense of the subject.
to be versed in something
Highlights extensive knowledge, especially in academic or technical fields.
to have command of something
Implies a mastery or control over a subject due to extensive knowledge.
to be acquainted with something
Suggests a familiarity or introductory level of understanding, differing from deep knowledge.
to have background in something
Indicates prior experience or foundational knowledge of a topic.
FAQs
How can I use "to have knowledge on something" in a sentence?
You can use "to have knowledge on something" to indicate understanding or information about a specific topic. For instance, "It's crucial "to have knowledge on something" before making critical decisions."
What are some alternatives to "to have knowledge on something"?
Alternatives include "to be familiar with", "to understand thoroughly", or "to possess expertise regarding" depending on the context.
Is it better to say "knowledge of something" or "knowledge on something"?
"Knowledge of something" is generally preferred in formal writing. However, "knowledge on something" is also acceptable, as evidenced by real-world examples. Choose the option that best fits the overall tone and style of your writing.
What does it mean to "have expertise regarding something" as opposed to "to have knowledge on something"?
"To have expertise regarding something" implies a deeper, more specialized understanding than ""to have knowledge on something"". Expertise suggests mastery and practical skill, whereas knowledge can simply mean awareness or understanding.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested