Decimal hours calculator
Convert durations between hours:minutes, decimal hours and minutes.
Convert hours and minutes
Convert durations in either direction. Results update as you type.
Result: Decimal hours
Quick conversion reference
| Minutes | Hours and minutes (H:MM) | Decimal hours (2 places) |
|---|---|---|
| 5 | 0:05 | 0.08 |
| 10 | 0:10 | 0.17 |
| 15 | 0:15 | 0.25 |
| 20 | 0:20 | 0.33 |
| 30 | 0:30 | 0.50 |
| 45 | 0:45 | 0.75 |
| 60 | 1:00 | 1.00 |
| 90 | 1:30 | 1.50 |
Who Should Use This Decimal Hours Calculator
Use decimal hours when a worksheet or payroll record expects a number such as 7.50 instead of 7:30. This converter handles durations, including values longer than a day. It does not calculate clock-in and clock-out intervals.
How to Use This Decimal Hours Calculator
Choose the conversion you need, then enter a nonnegative duration.
For hours:minutes, use whole hours and a minute part from 00 to 59. Decimal input accepts a decimal point or comma, without thousands separators.
Choose the displayed decimal precision. Conversion to hours:minutes rounds to the nearest whole minute.
Review the result and use Copy result to copy the converted duration.
Frequently Asked Questions About Decimal Hours Calculator
Is 7.30 the same as 7:30?
No. 7:30 is seven hours and thirty minutes, or 7.50 decimal hours. 7.30 decimal hours is seven hours and eighteen minutes.
Should I round each day before adding a period?
Keep full minutes while calculating and round the final decimal display. Adding individually rounded values can produce a different result.