Time Difference Calculator (Hours Between Times)
Work out how long a shift, meeting or journey lasted. Subtract your break and get the result both in hours:minutes and decimal hours for timesheets and invoices.
Runs in your browser
How to use
- Enter the start time.
- Enter the end time.
- Enter the break in minutes (optional).
- Read the duration and decimal hours.
How it works
Duration = end − start − break. If the end time is earlier than the start, the calculation assumes the period crosses midnight (for example 22:00 to 06:00 = 8 hours).
Decimal hours convert minutes to fractions of an hour: 7 h 45 min = 7.75 h. Multiply decimal hours by an hourly rate to get pay.
Examples
- Office day
- 08:30–17:15 with a 45-minute break = 8:00 (8.00 h).
- Night shift
- 22:00–06:30 = 8:30 (8.50 h).
Common uses
- Filling in timesheets
- Invoicing hours
- Tracking shifts and overtime
Privacy & security
This tool runs entirely in your browser. Your files and text are never uploaded to our servers — processing happens on your device and results are created locally. How each tool handles files
Frequently asked questions
How do I convert 7:45 to decimal hours?
Divide the minutes by 60: 45 ÷ 60 = 0.75, so 7.75 hours.
Can it handle shifts longer than 24 hours?
No. For multi-day periods use the Date Difference calculator.
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