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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 of working
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "length of working" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to the duration of work or the amount of time spent working, but it is not a standard expression. Example: "The length of working hours for this project is crucial for meeting the deadline."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
duration of employment
working period
period of work
time spent working
years of service
tenure
employment history
duration of work
working hours
extent of working
size of work
lifetime of work
prolongation of work
work duration
magnitude of work
width of work
life of work
length of experience
lengthening of work
timing of work
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
18 human-written examples
The first component on the right hand side of [4] is the discounted sum of the (expected) difference in earnings (and pensions) over a common length of working and non-working life; the second component captures the foregone earnings associated to increasing schooling from ESL to HS; the third and final component captures the difference in life expectancy between ESL and HS graduates.
Science
These three elements in the model determine the minimum length of working life and the condition to qualify for higher pension benefits when an individual reaches pensionable age.
Science
The length of working face 44208 of this mine was 400.5 m, which made it the longest FMM face in China.
The filmmakers were required to effectively purchase a length of working railroad for filming and the trains necessary to ride the tracks.
Wiki
Some employees may claim to work unpaid overtime even though their contracts do not specify the length of working hours.
Science
Seniority of assessors and the length of working relationships also contributed to the variability of the mean score.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Neither the nurses' ages nor their lengths of working experience affected their perceptions of online continuing education (r = -.013; P >.05; and r = -.036; P >.05, respectively).
Science
Neither nurses' ages nor lengths of working experience are significantly related to perceptions of online programs (r = -.013; P >.05 and r = -.036; P >.05, respectively).
Science
This means that the optimum length is independent of working voltage and pressure.
For Mr. Ma, though, the problem was apparently not just the pace and length of work.
News & Media
The average length of work stoppages beginning in 2002 was 21 days, and nearly three-fourths of all work stoppages lasted 30 days or less, the BLS say.
News & Media
Expert writing Tips
Best practice
When describing an employment history, use more common phrases such as "years of experience" or "duration of employment" for clarity and professionalism.
Common error
Do not use the phrase "length of working" in formal writing, as it can sound awkward. Instead, opt for clearer alternatives like "duration of employment" or "working hours".
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "length of working" acts as a prepositional phrase, typically modifying a noun. However, Ludwig indicates this is not the best way to say it, and is grammatically questionable. It attempts to quantify the period or duration associated with work.
Frequent in
Science
50%
News & Media
25%
Formal & Business
25%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "length of working" is used, it's not ideal for formal English. Ludwig recommends using more standard and clearer alternatives such as "duration of employment", "working hours", or "years of service". The phrase is mostly seen in scientific and news contexts, but because of Ludwig's AI stating it is not correct, should be avoided in professional writing to maintain clarity and grammatical correctness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
duration of employment
Focuses specifically on the time spent in a job.
working period
Specifies a certain period when work activities occur.
period of work
Emphasizes a specific timeframe during which work is performed.
time spent working
Highlights the amount of time dedicated to work activities.
amount of time working
Focuses on the total time dedicated to work activities.
years of service
Commonly used to denote the total time an employee has worked for an organization.
length of employment contract
Specifically refers to how long the contract lasts.
tenure
Refers to the term or period during which someone holds a position.
duration of the workday
Refers to a single day's working hours.
employment history
Refers to the sequence of jobs held by a person.
FAQs
What's a clearer alternative to "length of working"?
Consider using phrases like "duration of employment", "working hours", or "years of service" for improved clarity. Each phrase is better depending on context.
How can I use "duration of employment" in a sentence?
Example: "The "duration of employment" at the company averaged five years."
Is "length of working" grammatically correct?
While understandable, "length of working" is not considered grammatically standard. It's better to use alternatives like "duration of work" or "working hours".
What is the difference between "length of working" and "length of work experience"?
"Length of working" is vague and less common. "Length of work experience" specifically refers to the period someone has been employed. Always use "length of work experience" for describing professional background.
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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
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested