minutes to hours formula
To convert minutes to hours, multiply the number of minutes by 0.0166666666667. In symbols: h = min × 0.0166666666667.
One minute equals 0.0166666666667 hours, and one hour equals 60 minutes. One minute is exactly 1/60 of an hour, so every result is the minutes divided by 60.
Worked example
Suppose you have 90 minutes and need the answer in hours.
- Write the formula: h = min × 0.0166666666667.
- Put in the number: 90 × 0.0166666666667 = 1.5.
- Round to suit the job. 1.5 h is accurate enough for most everyday uses.
So 90 min is 1.5 h. To check, convert back: 1.5 h is 90 min.
Common minutes to hours values
| minutes (min) | hours (h) |
|---|---|
| 1 | 0.01666666667 |
| 2 | 0.03333333333 |
| 5 | 0.08333333333 |
| 10 | 0.1666666667 |
| 20 | 0.3333333333 |
| 50 | 0.8333333333 |
| 100 | 1.666666667 |
Reference points
Some familiar amounts in minutes, converted to hours:
- 15 min, a quarter hour: 0.25 h
- 45 min, a lesson: 0.75 h
- 90 min, a football match without stoppage time: 1.5 h
- 480 min, a work day: 8 h
Where you will use it
Billing, timesheets and project plans often need minutes as decimal hours, such as 90 minutes as 1.5 hours. Pay and invoices use the decimal form.
Quick mental math
For billing, 6 minutes equals 0.1 hours, so you can read tenths off a clock.
Going the other way
Need the reverse? Use the hours to minutes converter. For comparison, 1 h is 60 min. To count the days between two dates, try the date difference calculator.
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