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
is relevant when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is relevant when" is correct and usable in written English.
It can be used to indicate the circumstances or conditions under which something is applicable or significant. Example: "The information provided is relevant when discussing the impact of climate change on agriculture."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(19)
generalize to when
becomes relevant when
compare to when
is relevant to
becomes useful once
compared to when
compared with when
in comparison to when
relative to when
than when
as opposed to when
in contrast to when
versus when
in relation to when
comparisons to when
likened to when
results to when
contrast to when
comparable to when
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
According to our previous considerations [ 12, 13], a variable is relevant when its posterior of strong relevance is greater than or equal to 0.5.
Science
This is relevant when working with the public as well.
News & Media
All of this is relevant when reviewing the deal AT&T reached with Leap Wireless.
News & Media
Career History Almost any work experience is relevant when you are starting your career.
News & Media
However, I do not understand why the writer's association or profession is relevant when it has nothing to do with the topic the letter is discussing.
News & Media
The whole list of questions was cited in the column to illustrate the wholesale rejection of the queries; the answers are what is relevant when it comes to individual questions.
News & Media
But which contrast class is relevant when?
Science
This effect is relevant when motor unit territories and muscle cross-section are of similar size.
Science
This is relevant when existing archetypal observations are needed, rather than fictitious ones.
However, only the former is relevant when the goal is robustness testing.
This aspect is relevant when preparing the rig schedules, which have their security increased.
Science
Expert writing Tips
Best practice
When using "is relevant when", ensure that the condition following "when" is clearly and concisely stated to avoid ambiguity. This helps the reader understand the specific circumstances under which the statement holds true.
Common error
Avoid using overly broad or vague conditions after "is relevant when". For example, instead of saying "This is relevant when considering the situation," specify which aspects of the situation make it relevant. Be specific!
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is relevant when" functions as a connector, indicating that the relevance of something is conditional. Ludwig examples show it connecting a subject to a condition, highlighting when the subject becomes significant or applicable.
Frequent in
Science
65%
News & Media
25%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "is relevant when" is a versatile phrase used to express conditional relevance or applicability. As Ludwig AI confirms, it's grammatically sound and commonly used. The phrase is appropriate for various registers, particularly in science, news, and formal business contexts. When employing this phrase, ensure the condition is clearly defined to avoid ambiguity. Remember, it's not just about importance, but direct applicability to the subject.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is applicable if
Changes "relevant" to "applicable" and "when" to "if", slightly altering the emphasis but maintaining the conditional relationship.
is important if
Substitutes "relevant" with "important", shifting the focus to significance under certain conditions.
is pertinent when
Replaces "relevant" with the more formal "pertinent", keeping the conditional structure.
matters if
Simplifies the phrase to a more direct statement of conditional importance.
holds true when
Replaces "is relevant" with "holds true", indicating validity under specific circumstances.
becomes significant if
Highlights the change in importance under a particular condition.
is consequential when
Emphasizes the resulting impact when a condition is met, replacing "relevant" with "consequential".
applies under the condition that
Expands the phrase to explicitly state a conditional application.
is only valid if
Focuses on the validity of something being dependent on a specific condition.
is of consequence when
Emphasizes the importance or impact under certain circumstances. It's a more formal alternative.
FAQs
How can I use "is relevant when" in a sentence?
The phrase "is relevant when" is used to indicate that something is important or applicable under specific conditions. For example, "This data "is relevant when" assessing the impact of climate change."
What are some alternatives to "is relevant when"?
Alternatives include "is applicable if", "is important if", or "matters if". The choice depends on the specific nuance you want to convey.
Is "is relevant when" formal or informal?
"Is relevant when" is suitable for both formal and informal contexts. However, in highly formal writing, you might consider using "is pertinent when" for a more sophisticated tone.
What's the difference between "is relevant when" and "is important when"?
While both phrases indicate conditional importance, "is relevant when" suggests a direct connection or applicability to the topic at hand, whereas "is important when" highlights the significance or consequence. The slight nuance between "is relevant when" and "is important when" makes it important to pick the right phrase.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested