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 is useful
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knowledge is useful" is correct and usable in written English.
You can use it when discussing the value or practicality of knowledge in various contexts, such as education, personal development, or professional skills. Example: "In today's fast-paced world, knowledge is useful for making informed decisions and solving complex problems."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(4)
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
22 human-written examples
"All this new knowledge is useful in the sense that it can be used in a developing country context," said Walakira, whose organisation promotes maternal and child health.
News & Media
Such knowledge is useful in discerning types of graphite surfaces are exposed when nanostructured carbons are used as catalysts and catalyst supports.
Science
I'm not sure how much of this knowledge is useful for kids, but it beats another game of Monopoly.
News & Media
You need to be wary of unpublished findings – leapfrogging peer review is not advisable – but all knowledge is useful.
News & Media
This knowledge is useful if you are planning any major interior renovations that will require opening up a space or moving a wall.
News & Media
That can be useful or at least getting access to people that have that knowledge is useful.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
We conclude with a summary of our analysis, and conclude that a diversity of memory systems and knowledge are useful for supporting general, integrated intelligence.
The established whole genome polymorphic resource and knowledge are useful for addressing the genetic reasons of the prominent agronomic characteristics in the NERICA and promotes marker-assisted selection in the development of new rice cultivars.
Science
This paper justifies the types of knowledge are useful in order to build knowledge bases to help decision makers and more importantly to help making decisions at the right time.
Science
Larry Sanger proposes a fine distinction between knowledge that is useful and knowledge that is reliable, and there is no question that Wikipedia beats every other source when it comes to breadth, efficiency, and accessibility.
News & Media
The knowledge base is useful for drug design.
Science
Expert writing Tips
Best practice
When using "knowledge is useful", specify the context in which the knowledge is valuable to give your statement more impact and relevance.
Common error
Avoid claiming that all knowledge is inherently useful in every situation. Instead, acknowledge that the usefulness of knowledge depends on context and application.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knowledge is useful" functions as a declarative statement asserting the benefit or value of possessing knowledge. This is supported by Ludwig, which confirms that the phrase is correct and usable in written English. It emphasizes the importance and applicability of understanding.
Frequent in
Science
40%
News & Media
37%
Formal & Business
23%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "knowledge is useful" is a grammatically sound and commonly used expression that emphasizes the value and applicability of understanding and information. Ludwig confirms its validity and usability. It appears frequently in science, news, and formal business contexts. When using this phrase, consider specifying the context to enhance its relevance and avoid overgeneralizations. Related phrases include "knowledge is valuable" and "knowledge is beneficial".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
knowledge is valuable
Replaces "useful" with a synonym emphasizing worth.
knowledge is beneficial
Substitutes "useful" with a term highlighting positive effects.
knowledge is advantageous
Replaces "useful" with a word that stresses the edge knowledge provides.
knowledge is practical
Emphasizes the real-world application of knowledge.
knowledge is applicable
Highlights that knowledge can be applied to situations.
knowledge is helpful
A more general term for the assistance knowledge offers.
knowledge is instrumental
Highlights the role of knowledge as a key factor.
knowledge is effective
Focuses on knowledge producing desired results.
knowledge is productive
Indicates knowledge leads to positive outcomes.
knowledge serves a purpose
More explicitly states that knowledge has a reason for being.
FAQs
How can I use "knowledge is useful" in a sentence?
You can use "knowledge is useful" to emphasize the importance of understanding facts and concepts. For example, "In the field of medicine, "knowledge is useful" for accurate diagnosis and treatment planning".
What can I say instead of "knowledge is useful"?
You can use alternatives like "knowledge is valuable", "knowledge is beneficial", or "knowledge is practical" depending on the specific context.
Is it always true that "knowledge is useful"?
While generally true, the extent to which "knowledge is useful" depends on its relevance and applicability. Some knowledge might be more theoretical than immediately practical.
What makes "knowledge is useful" an effective statement?
Its effectiveness comes from its simplicity and directness in conveying the value of understanding and information. It's a fundamental concept that highlights the importance of learning and gaining expertise.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested