How to use it
- Enter the decimal hours.
- Read the result in hours, minutes and seconds, and as h:mm.
The formula
Hours = the whole number part
Minutes = decimal part × 60
Seconds = what's left of the minutes × 60
Example: 38.6 hours → 38 hours and 0.6 × 60 = 36 minutes, so 38:36.
Decimal hours to minutes chart
| Decimal | Minutes |
|---|---|
| 0.05 | 3 min |
| 0.10 | 6 min |
| 0.15 | 9 min |
| 0.20 | 12 min |
| 0.25 | 15 min |
| 0.30 | 18 min |
| 0.35 | 21 min |
| 0.40 | 24 min |
| 0.45 | 27 min |
| 0.50 | 30 min |
| Decimal | Minutes |
|---|---|
| 0.55 | 33 min |
| 0.60 | 36 min |
| 0.65 | 39 min |
| 0.70 | 42 min |
| 0.75 | 45 min |
| 0.80 | 48 min |
| 0.85 | 51 min |
| 0.90 | 54 min |
| 0.95 | 57 min |
| 1.00 | 60 min |
Good to know
- 0.1 hour is 6 minutes, so tenths are easy: .3 = 18 minutes, .7 = 42 minutes.
- Excel stores time as fractions of a day; to turn decimal hours into a time format, divide by 24 and format the cell as [h]:mm.
Questions
What is 0.75 hours in minutes?
45 minutes. Multiply by 60: 0.75 × 60 = 45.
What is 1.2 hours in hours and minutes?
1 hour 12 minutes, because 0.2 × 60 = 12.
What is 2.33 hours in hours and minutes?
About 2 hours 20 minutes (0.33 × 60 = 19.8, which rounds to 20).
What is 0.1 of an hour?
6 minutes. That's why many billing systems use 6-minute increments.