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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
length
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "length" is correct and usable in written English.
It can be used in various contexts, such as discussing measurements, duration, or extent of something. Example: "The length of the table is six feet."
✓ Grammatically correct
News & Media
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Lifestyle
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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
55 human-written examples
Meanwhile, Karimov has sought to keep Russia at arm's length.
News & Media
Onofre told the band the length of the performance was to be determined by how long the oxygen inside lasted.
News & Media
It's the same with bowling, line and length, line and length.
News & Media
Eyre said he had "talked at length" with Norris – advising him that at times he would need to be stoical and that the most enjoyable part of the job was "taking pleasure in others' successes".
News & Media
"If you've got a fixed-term tenancy and you want to leave before it ends, the landlord can insist that you keep paying rent for the full length of the tenancy," says Khan. "If you have a joint fixed-term tenancy it can't be ended early unless all the housemates and the landlord agree, which is known as a surrender, or if there is a break clause in the tenancy agreement.
News & Media
I now realised that this is what happened every night, during the two years in the West End and in countless performances the length and breadth of the country.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
The hardest climbing has only recently weighed into the new grade of 5.15 and then usually for single-rope-length sport climbs, which even then climbers may spend weeks or months attempting to overcome.
News & Media
Obvious candidates in the firing line among Defra's 28 arms-length bodies include its waste programme, Wrap.
News & Media
There have been rumours of a feature-length version of the popular BBC series for a number of years now, intensified recently by the reunion of the characters in Back and Forth, the short film currently showing at the millennium dome in the Skyscape cinema.
News & Media
In a separate talk with Fader, James promised that the new full-length will not be his last: he is apparently "kicked into gear" for new releases.
News & Media
Later in the year Reid's book-length poem The Song of Lunch, about two former lovers meeting at their old Soho haunt, was made into a BBC film starring Emma Thompson and Alan Rickman.
News & Media
Expert writing Tips
Best practice
When discussing the "length" of digital content, specify the units (e.g., words, pages, minutes) for clarity.
Common error
Be careful to use "length" when referring to the longest dimension of an object, and "width" for a shorter, perpendicular dimension.
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90%
Authority and reliability
4.5/5
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Real-world application tested
Linguistic Context
The primary grammatical function of "length" is as a noun, referring to a measurement of distance along the longest dimension of an object, or a duration. As seen in Ludwig's examples, it can also denote extent or a physical piece of something. The word "length" can also function as a verb (to lengthen), however, it is far less common than its usage as a noun.
Frequent in
News & Media
35%
Sport
15%
Lifestyle
10%
Less common in
Education
10%
Books
8%
TV & Radio
7%
Ludwig's WRAP-UP
In summary, "length" functions primarily as a noun, denoting measurement, duration, or extent. As Ludwig AI confirms, the phrase is grammatically sound and frequently appears across diverse contexts, from News & Media to academic discussions. Its usage spans from formal to informal registers. Common errors include confusing "length" with "width". Related terms include "duration" and "extent". When using "length", ensure that units are specified for clear communication, and remember that it describes the longest dimension or the duration of something. Overall, "length" is a versatile and widely understood term in the English language.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
measurement along the longest dimension
More specific way to indicate measurement of the longest part of an object.
duration
Refers specifically to the time something lasts.
extent
Indicates the range or scope of something.
measurement
Emphasizes the process of determining size or quantity.
distance
Highlights the space between two points.
period
Focuses on a specific segment of time.
span
Implies a continuous extent or range.
timeframe
Refers to a defined interval of time.
magnitude
Suggests the size or importance of something.
size
General term referring to overall dimensions.
FAQs
How is "length" used in geometry?
In geometry, "length" refers to the measurement of a line segment or the longest side of a shape. It is a fundamental property used in calculating area, perimeter, and volume.
What are some synonyms for "length" when referring to time?
How do I accurately measure "length"?
Accurate "length" measurement depends on the object. Use appropriate tools like rulers, measuring tapes, or laser distance measurers. Ensure the tool is properly calibrated and aligned with the object being measured.
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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
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested