# person-hour

> English word · Noun

## Definitions
1. The amount of work that can be done by one person in one hour.

## Etymology
Compound of person + hour, although, as with any such unit of measure (e.g., ton-miles, newton metres), the mathematical relationship of multiplication is simultaneously involved: X persons working during Y hours = X × Y = Z person-hours.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/person-hour