Minutes to hours●
Minutes in. Hours out. Turn durations into decimal hours.
Time
Fixed durations: 1 h = 60 min. 1 day = 24 h. Months, years and time zones need calendar dates.
Definitions: BIPM SI Brochure ↗Use a decimal point, for example 2.54. Scientific notation works too: 1e3.
Try a value
Pick an example to startThe formula
hours = minutes ÷ 60
Divide the number of minutes by 60 to get hours. To go the other way, multiply by the same number.
A worked example
For 90 min, divide 90 by 60. The result is approximately 1.5 h.
90 ÷ 60 ≈ 1.5 h
Quick reference
Reference values are rounded to 6 decimal places. Use the converter above for other values or precision.
| Minutes (min) | Hours (h) |
|---|---|
| 5 | 0.083333 |
| 10 | 0.166667 |
| 15 | 0.25 |
| 30 | 0.5 |
| 45 | 0.75 |
| 60 | 1 |
| 90 | 1.5 |
| 120 | 2 |
| 480 | 8 |
All equivalent units
The same value, in every supported unit.
Time conversions
For billing and duration totals.
Use this conversion to bill by the hour or total up durations. Divide minutes by 60 to get decimal hours: 45 minutes is 0.75 hours. Many invoices need decimal hours, not hours and minutes.
Calculation details & precision
Time conversions use seconds as the base unit. A minute is 60 seconds, an hour is 3,600 seconds and a day here is a fixed interval of 86,400 seconds. A week is 7 such days; a fortnight is 14 days. Calendar months, years and time-zone changes are not part of these calculations.
Automatic displays up to 12 significant digits. Choose 2, 4 or 6 decimal places in Precision for a shorter result. Displayed results are rounded; very large or small values use scientific notation.
Common questions
How many hours is 90 minutes?
90 minutes is 1.5 hours.
How many hours are in 90 minutes?
90 min is approximately 1.5 h. The converter can show more significant digits or round to a chosen number of decimal places.