Decimal hours divide an hour into hundredths. 7 hours 45 minutes is 7.75 hours, because 45 minutes is three quarters of an hour.
Time to decimal calculator
Payroll often wants hours as a decimal. Convert either way.
The formula
Decimal hours = hours + minutes / 60 (+ seconds / 3,600). Going back: the whole number is the hours, and the decimal part times 60 is the minutes.
Minutes to decimal chart
| Minutes | Decimal hours |
|---|---|
| 1 | 0.0167 |
| 2 | 0.0333 |
| 3 | 0.05 |
| 4 | 0.0667 |
| 5 | 0.0833 |
| 6 | 0.1 |
| 7 | 0.1167 |
| 8 | 0.1333 |
| 9 | 0.15 |
| 10 | 0.1667 |
| 11 | 0.1833 |
| 12 | 0.2 |
| 13 | 0.2167 |
| 14 | 0.2333 |
| 15 | 0.25 |
| 16 | 0.2667 |
| 17 | 0.2833 |
| 18 | 0.3 |
| 19 | 0.3167 |
| 20 | 0.3333 |
| 21 | 0.35 |
| 22 | 0.3667 |
| 23 | 0.3833 |
| 24 | 0.4 |
| 25 | 0.4167 |
| 26 | 0.4333 |
| 27 | 0.45 |
| 28 | 0.4667 |
| 29 | 0.4833 |
| 30 | 0.5 |
| 31 | 0.5167 |
| 32 | 0.5333 |
| 33 | 0.55 |
| 34 | 0.5667 |
| 35 | 0.5833 |
| 36 | 0.6 |
| 37 | 0.6167 |
| 38 | 0.6333 |
| 39 | 0.65 |
| 40 | 0.6667 |
| 41 | 0.6833 |
| 42 | 0.7 |
| 43 | 0.7167 |
| 44 | 0.7333 |
| 45 | 0.75 |
| 46 | 0.7667 |
| 47 | 0.7833 |
| 48 | 0.8 |
| 49 | 0.8167 |
| 50 | 0.8333 |
| 51 | 0.85 |
| 52 | 0.8667 |
| 53 | 0.8833 |
| 54 | 0.9 |
| 55 | 0.9167 |
| 56 | 0.9333 |
| 57 | 0.95 |
| 58 | 0.9667 |
| 59 | 0.9833 |
| 60 | 1 |
Frequently asked questions
What is 15 minutes in decimal?
0.25 hours.
What is 7.5 hours in hours and minutes?
7 hours 30 minutes.
Why does payroll use decimal hours?
Multiplying a rate by 7.75 is easier than by 7:45.