Time & dates
Minutes to hours calculator
Enter a number of minutes to see it as decimal hours and as hours and minutes, or flip the direction to turn hours into minutes.
Decimals can repeat (20 min is 0.3333 h), so the figure is rounded to two places.
How to convert minutes to hours
One hour is 60 minutes, so to turn a number of minutes into hours you divide by 60: hours = minutes ÷ 60. The whole-number part is the hours and the remainder is the leftover minutes. A total of 150 minutes is 150 ÷ 60 = 2.5 hours, which reads as 2 hours and 30 minutes on a clock. The reverse is a multiplication: 2.5 hours × 60 = 150 minutes, so switching the direction simply swaps the ÷ for a ×.
The calculator shows both forms side by side. The decimal figure (2.5 h) is what you paste into a spreadsheet or a timesheet, because plain numbers are easy to add and to multiply by a rate. The hours-and-minutes figure (2 h 30 min) is what a clock, a kitchen timer or a stopwatch shows. The extra line expresses the same span as a fraction of a 24-hour day, which helps when you are logging effort against a daily total.
| Minutes | Decimal hours | Hours : minutes |
|---|---|---|
| 15 | 0.25 | 0:15 |
| 30 | 0.50 | 0:30 |
| 45 | 0.75 | 0:45 |
| 90 | 1.50 | 1:30 |
| 100 | 1.67 | 1:40 |
| 480 | 8.00 | 8:00 |
Where the decimal and clock forms diverge
The most common error is reading the decimal point as a colon: writing 1.30 for one hour thirty minutes, when 1 h 30 min is really 1.5 in decimal. Because 60 is not a multiple of ten, minute counts seldom land on neat decimals: 10 minutes is 0.1667 hours, 20 minutes is 0.3333, and 40 minutes is 0.6667, which is why most payroll systems round decimal hours to two places. Round only the final figure, not each line, or the rounding errors accumulate across a long week. If you are adding many short entries, keep them in minutes and divide once at the end for the cleanest result.
Frequently asked questions
How many hours is 90 minutes?
90 minutes is 90 ÷ 60 = 1.5 hours, written 1.5 in decimal or 1 hour 30 minutes on a clock.
How do I convert minutes to hours in a spreadsheet?
Divide the minutes cell by 60 for decimal hours (=A1/60). For a clock display, divide by 1440 and format the cell as time, since a day holds 1440 minutes.
Is 1.5 hours the same as 1 hour 30 minutes?
Yes. The 0.5 is half of 60 minutes, which is 30 minutes, so 1.5 hours and 1 h 30 min describe exactly the same length of time.