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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
At the same length
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "At the same length" is correct and usable in written English.
It can be used when comparing the dimensions or duration of two or more objects or events that are equal in size or time. Example: "The two ropes were cut at the same length, ensuring they would be equally effective for the task."
✓ Grammatically correct
Science
News & Media
Wiki
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
25 human-written examples
Nobody taught this 22-year-old, who has every iron at the same length, about bowing to reputation.
News & Media
Two men suck at the same length of spaghetti, till their mouths come together and they kiss.
News & Media
Because polymer chains do not all terminate at the same length, reference is normally made to a polymer's average molecular weight.
Encyclopedias
Houghton Mifflin Harcourt, which has also acquired the rights to 39 of Mr. Dick's previously published works and will release them next year, plans to release Volume 1 of "Exegesis," which is about 350 pages, in the fall of 2011, and Volume 2, at the same length, a year later.
News & Media
The upper part could produce the translational motion in the horizontal only using a set A including three wires strung at the same length and a set B including two wires strung at the same length.
Science
More importantly, when compared to the equiaxed grain structure at the same length scale (lamellar thickness/grain size), grain boundary activities were found to be inhibited by the laminated structure, which is the main reason for the enhanced strength and the smaller critical size.
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
We can suppose that the SPR electric field intensity decays in TiO2 film at about the same length.
Science
Roughly speaking, we expect those nodes that showed very high sociability over a time period of a certain length to behave accordingly in the future for a period of at least the same length.
Eligible controls had at least the same length of follow-up as did matched cases.
Science
This will allow them to cook through at approximately the same length of time.
Wiki
Try to wear it at around the same length as the other servers, but if you are unsure, again, ask a member of the clergy.
Wiki
Expert writing Tips
Best practice
When comparing physical objects, use "at the same length" to emphasize that their measurements are identical. For durations, consider using "for the same duration" or "for the same amount of time" for clarity.
Common error
Avoid using "at the same length" when referring to periods of time. Use phrases like "for the same duration" or "for the same period" to clearly convey temporal equality.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "At the same length" functions primarily as an adverbial phrase modifying a verb, specifying the manner in which something is done or the state of being of something, indicating equality in measurement. Ludwig's examples show its use in describing physical dimensions.
Frequent in
Science
40%
Wiki
30%
News & Media
30%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "At the same length" serves to denote that two or more objects possess identical measurements, mainly in a physical sense. According to Ludwig, it is grammatically correct and can be found across a variety of contexts, though it is more typical in scientific, technical, or instructional materials than in casual speech. When discussing duration rather than physical measurement, other terms like "for the same duration" are more appropriate. Though Ludwig confirms the phrase is usable, be mindful of the setting and choose more precise language when necessary to prevent misunderstanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Of equal length
Emphasizes the equality in length directly, differing in structure from the original phrase.
Having identical length
A more formal and emphatic way to state the equality in length.
Matching in length
Highlights the correspondence in length between two or more items.
Correspondent in length
Similar to "matching in length" but with a slightly more formal tone.
Equidistant
Implies equal distance between points rather than overall length, slightly changing the context.
Uniform in length
Indicates consistency in length across multiple items.
With the same duration
Shifts the focus to time rather than spatial length, altering the application.
Comparable in length
Highlights the ability to compare lengths, implying they are close but not necessarily identical.
Proportional in length
Suggests a relationship of proportionality rather than direct equality.
Aligned in length
Suggests that the lengths are adjusted to be the same, implying an active process.
FAQs
When is it appropriate to use "At the same length"?
Use "At the same length" to describe objects or physical distances that have identical measurements. For instance, "The two pieces of wood were cut "at the same length"."
What's the difference between "At the same length" and "Of equal length"?
"At the same length" is often used in a context where something is being made or adjusted to match a specific measurement. "Of equal length"/"of equal length" is a more general descriptor, simply stating that two things have the same measurement.
Can "At the same length" be used to describe time?
While understandable, it's more precise to use phrases like "for the same duration" or "for the same amount of time" when referring to time periods rather than using ""at the same length"".
What are some alternatives to "At the same length" in scientific writing?
In scientific writing, consider using "identical length", "equivalent length", or "equal length" for a more formal and precise tone.
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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
4.1/5
Expert rating
Real-world application tested