Time Duration Calculator - Hours Between Two Times (with Break)

Calculate hours worked between a start and end time, minus break minutes

🔒 100% in-browser🆓 Free forever⚡ No sign-up
Duration
8h 0m 0s
Hours (decimal)
8.00
Total minutes
480
Times crossing midnight (e.g. 22:00 → 06:00) are handled automatically.
Estimates only. Results are generated by generalised formulas from the inputs you provide and are for informational purposes only. They are not financial, tax, legal, medical, or professional advice, and do not account for your individual circumstances, jurisdiction, taxes, fees, or health conditions. Verify important figures with a qualified professional. By using this tool you agree to our Terms & Disclaimer.

How it works

  1. 1
    Enter start and end

    Type times in 24-hour HH:MM format (e.g. 09:00 and 17:30).

  2. 2
    Enter break

    Any unpaid break minutes to subtract from the total.

  3. 3
    Read the duration

    See total hours-minutes-seconds, decimal hours, and total minutes.

About Time Duration Calculator - Hours Between Two Times (with Break)

Free time duration calculator. Enter a start time, end time (24-hour format), and optional break in minutes to instantly see the total duration in hours, minutes, and decimal hours. Handles times that cross midnight automatically. Great for timesheets, shift calculations, and billable hours. Runs entirely in your browser. Time Duration Calculator - Hours Between Two Times (with Break) on 712 Tools runs entirely inside your browser using modern JavaScript APIs - no server ever sees your data. That means instant results, complete privacy, and no upload limits.

Whether you need to calculate hours worked between a start and end time, minus break minutes for a debugging session, a quick sanity check, or a production incident, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside the tool itself.

Frequently asked questions

Does it handle overnight shifts?

Yes - if the end time is earlier than the start time, the tool assumes it wraps past midnight.

How do I convert to decimal hours?

The tool shows decimal hours automatically (e.g. 8h 15m = 8.25). Useful for payroll systems that don't take HH:MM.

Is my data uploaded?

No. All calculations run entirely in your browser.

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