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
length varies between
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "length varies between" is correct and usable in written English.
It can be used when discussing measurements or dimensions that change within a specified range. Example: "The length varies between 10 and 20 centimeters, depending on the model."
✓ Grammatically correct
Science
Encyclopedias
News & Media
Alternative expressions(5)
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
19 human-written examples
Ideally, its length varies between 5 and 12 verses.
Encyclopedias
Additionally, the acceptable leaflet length varies between patients.
The header length varies between 36 and 88 bytes, dependent of the specific extended header.
Each term can be composed of one or multiple words and its length varies between 5 and 23 phonemes.
Each query is composed of a single word whose length varies between 7 and 16 single graphemes.
Each term can be composed of a single word or multiple words and its length varies between 5 and 25 phonemes.
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
According to a Guardian Australia analysis, while the mean time it took for a native title application to be determined was six and a half years, the average length varied between states and territories, and by the outcome of the determination.
News & Media
Length varied between 20 and 25 meters.
The grating length varied between 1.25 mm and 4.75 mm.
The implant length varied between 11 mm (37 implants) and 13 mm (10 implants).
Depending on the configuration of the wall, the compression zone length varied between 6.7% to 28% of the wall length.
Science
Expert writing Tips
Best practice
When using "length varies between", ensure you provide specific, measurable units (e.g., millimeters, inches, base pairs) to provide context and clarity.
Common error
Avoid using "length varies between" without specifying the unit of measurement. For example, instead of saying "The length varies between 10 and 20", specify "The length varies between 10 and 20 centimeters."
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "length varies between" functions as a descriptive phrase, indicating that the measurement of length is not fixed but can take on different values within a specified range. As confirmed by Ludwig AI, this phrase is correct and commonly used.
Frequent in
Science
80%
Encyclopedias
10%
News & Media
10%
Less common in
Formal & Business
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "length varies between" is a grammatically sound and frequently used expression to indicate a range of possible lengths. Ludwig AI confirms its correctness. It finds its primary application in scientific, encyclopedic, and technical contexts, where precise measurements are crucial. When using the phrase, specify the units to avoid ambiguity. Alternative phrases such as "length ranges from" or "length is between" can be used for similar effect, but it's important to select the most appropriate option based on the specific context and desired level of precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
length ranges from
Uses "ranges from" instead of "varies between" to indicate a span of values.
length is variable between
Rearranges the words slightly, keeping the same core meaning.
length is in the range of
Rephrases the concept using "is in the range of" to specify the limits.
length falls within
Employs "falls within" to denote values contained inside a specified boundary.
length extends from
Similar to "ranges from" but implies a physical extension or span.
length spans from
Indicates the length covers a range starting from a certain value.
length differs from
Focuses on the differences in length, but does not explicitly state the range.
length is anywhere from
Informal way of saying the length can be any value within the given boundaries.
length oscillates between
Suggests a fluctuation or repeated change in length between two values.
length fluctuates from
Similar to "oscillates between" but emphasizes the irregularity of the change.
FAQs
How can I use "length varies between" in a sentence?
Use "length varies between" to describe a range of measurements. For example, "The fiber "length varies between" 70 and 150 mm.".
What are some alternatives to "length varies between"?
Alternatives include "length ranges from", "length is between", or "length falls within", depending on the desired nuance.
Is it correct to say "the length varies from" instead of "length varies between"?
While "length varies from" is acceptable, ""length varies between"" is more precise when specifying a clear range. "Length varies from" implies variation but doesn't necessarily define an upper limit.
What is the difference between "length varies between" and "average length is"?
"Length varies between" describes a range of possible lengths, while "average length is" indicates a single, central value calculated from multiple measurements.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested