Hours to Decimal Calculator
Convert hours and minutes into decimal time for timesheets or payroll instantly with this free hours to decimal calculator.
Enter Values
Minimum 0
Minimum 0
How to use this calculator
- Enter the hours and minutes.
- Read the decimal hours.
How it works
Decimal hours = hours + minutes ÷ 60. So 7 hours 30 minutes = 7 + 0.5 = 7.5.
Worked example
7 hours 30 minutes. = 7.5 decimal hours.
Common mistakes
- Treating minutes as hundredths — 7:30 is 7.5, not 7.30.
- Forgetting to add the whole hours back on.
Frequently asked questions
How do I convert hours and minutes to decimal?
Divide the minutes by 60 and add to the hours: 7 hours 30 minutes is 7 + 30/60 = 7.5 hours.
Why convert time to decimal?
Payroll and timesheets multiply hours by an hourly rate, which needs decimal hours — 7:30 must be entered as 7.5, not 7.30.
Why convert to decimal?
Payroll and timesheets multiply hours by a pay rate, which needs decimal hours (7.5) rather than clock time (7:30).
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Explore more in Time, Date, Roster & FIFO.
Cite this tool
Zerdly. (2026). Hours to Decimal Calculator. Retrieved from https://www.zerdly.com/tools/hours-to-decimal-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.