Work Hours Calculator
Calculate hours worked in a shift, minus breaks. This free online time & date calculator runs entirely in your browser — no signup, no data sent anywhere.
Inputs
Results
How It Works (Formula & Method)
The tool finds the elapsed time between start and end (rolling past midnight for overnight shifts), subtracts the unpaid break, and reports the result as hours and minutes plus decimal hours — the form most payroll systems expect.
Worked Example
Below is a worked example using the calculator's default values. The same numbers are pre-filled in the form above so you can press Calculate and see the result without typing anything.
Inputs used:
- Start Time (24h, HH:MM): 09:00
- End Time (24h, HH:MM): 17:30
- Unpaid Break (minutes): 30
With these inputs, the calculator computes the metrics shown in the Results panel. Change any value and press Calculate again to see how the result responds — the live widget and the chart both update instantly.
Frequently Asked Questions
What does the Work Hours Calculator compute?
The Work Hours Calculator takes 3 input values and returns 2 results. Calculate hours worked in a shift from the start and end times and any unpaid break, in both hours-and-minutes and decimal hours for payroll.
Is my data sent to a server?
No. The Work Hours Calculator runs entirely in your browser using static JavaScript. Your inputs are never transmitted to CalculatorHive or any third party, and nothing is stored after you close the page.
Is this calculator free to use?
Yes. Every calculator on CalculatorHive is completely free. There is no signup, no paywall, and no usage limit. The site is supported by display advertising and affiliate partnerships, which are clearly labeled.
How accurate is the result?
The math is mathematically exact for the inputs you provide. Real-world accuracy depends on how accurately your inputs reflect the real situation — defaults are typical values, not guarantees.