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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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man-hours

Grammar usage guide and real-world examples

USAGE SUMMARY

"man-hours" is correct and usable in written English. You can use it to quantify the amount of work performed by one person in one hour. For example, "The project required 200 man-hours to complete." Alternative expressions include "work hours" and "labor hours."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

39 human-written examples

The man-hours that go into living like this.

It takes 160 man-hours to make this bed.

News & Media

The New York Times

I cannot imagine the man-hours it took.

News & Media

The New Yorker

"We must have put in 600 man-hours.

News & Media

The New York Times

I hate to tell you how many man-hours we've spent talking this stuff through.

News & Media

The New York Times

– Union crews worked more than 20,000 man-hours before Sunday's session.

News & Media

The New York Times
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Human-verified similar examples from authoritative sources

Similar Expressions

21 human-written examples

The company has spent years of man hours and billions of pounds developing these engines.

News & Media

Independent

So it wasn't really countless man hours.

News & Media

TechCrunch

The standard man hours can be set up in a computerized estimating system and the piping man hours are calculated using the unit quantity method.

TC: How many "man hours" did this take for design?

News & Media

TechCrunch

"It takes hundreds of man hours," he said.

News & Media

TechCrunch
Show more...

Expert writing Tips

Best practice

When reporting on project costs or efficiency, use "man-hours" to provide a clear understanding of the labor investment involved.

Common error

Avoid using "man-hours" in contexts where the audience may not understand the term. Provide a brief explanation or use a more general term like "work hours" to ensure clarity.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "man-hours" functions as a noun, typically used to quantify the amount of work done by one person in one hour. As Ludwig AI confirms, this phrase is correct and usable in written English. The examples provided by Ludwig AI show its function is to measure labor investment.

Expression frequency: Very common

Frequent in

News & Media

47%

Science

43%

Wiki

7%

Less common in

Formal & Business

2%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "man-hours" is a grammatically correct and frequently used noun phrase to quantify the amount of work done. Ludwig AI confirms its usability. While the phrase remains common, more inclusive alternatives like "person-hours" are increasingly favored to avoid gender-specific language. Usage contexts span news media, science, and business, reflecting its broad applicability in project management and resource allocation. When using "man-hours", ensure your audience understands its meaning, and consider alternatives when inclusivity is a priority.

FAQs

How do I calculate "man-hours" for a project?

To calculate "man-hours", multiply the number of people working on a task by the number of hours they each work. For example, 5 people working for 8 hours each would result in 40 "man-hours".

What is a more inclusive alternative to "man-hours"?

A more inclusive alternative to "man-hours" is "person-hours", which avoids gender-specific language.

When is it appropriate to use "man-hours" in technical documentation?

"Man-hours" can be used when quantifying the effort needed for a project. However, always consider if "work hours" or "labor hours" could be more descriptive and understandable for a broader audience.

How can I use "man-hours" to improve project planning?

You can track "man-hours" to assess the time and resource allocation, predict future project timelines, and optimize workflow by comparing planned versus actual hours.

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: