# Hours Worked Calculator

> Quickly calculate total shift duration minus break time for payroll or time tracking.

Page: https://askcalculators.com/calculator/hours-calculator/
Definition: https://askcalculators.com/calculator/hours-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/hours-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/hours-calculator/?startTime=09%3A00&endTime=17%3A00&breakDuration=30

## Inputs
- startTime: Start Time; type=time; optional; default=09:00
- endTime: End Time; type=time; optional; default=17:00
- breakDuration: Total Break Time (minutes); type=number; optional; default=30

## Outputs
- result: Result; format=text; primary

## Formula
Elapsed hours = end time − start time − break duration, with overnight shifts carried into the next day.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.