Decimal Hours Calculator
Convert in either direction between H:MM and decimal-hour formats.
Examples:
Converted time
—
Breakdown
- Total minutes
- —
- Exact HH:MM
- —
- Rounded decimal
- —
How it is calculated
Decimal hours = total minutes ÷ 60.
Exact minutes remain authoritative while decimal output is rounded for presentation.
Worked example
7:30: 7.50 hours
Important cases
- 7:59 is 7.98 when shown to two decimal places.
- Decimal inputs that do not map exactly to a minute are rounded to the nearest minute.
| Minutes | Decimal hours |
|---|---|
| 15 | 0.25 |
| 30 | 0.50 |
| 45 | 0.75 |
| 60 | 1.00 |
Questions
Is 7:30 the same as 7.30 hours?
No. Seven hours and 30 minutes equals 7.50 decimal hours.