Hours to Decimal Calculator
Convert hours and minutes to decimal hours for payroll, and decimal hours back to hours and minutes. Includes a full minutes-to-decimal chart.
How to convert hours and minutes to decimal
Divide the minutes by 60 and add the result to the hours. Decimal hours = hours + minutes ÷ 60.
Example: 7 hours 45 minutes = 7 + 45 ÷ 60 = 7 + 0.75 = 7.75 hours. Going back, 8.2 hours = 8 hours + 0.2 × 60 minutes = 8 hours 12 minutes.
Minutes to decimal conversion chart
| Minutes | Decimal hours |
|---|---|
| 1 min | 0.02 |
| 2 min | 0.03 |
| 3 min | 0.05 |
| 4 min | 0.07 |
| 5 min | 0.08 |
| 6 min | 0.10 |
| 7 min | 0.12 |
| 8 min | 0.13 |
| 9 min | 0.15 |
| 10 min | 0.17 |
| 11 min | 0.18 |
| 12 min | 0.20 |
| 13 min | 0.22 |
| 14 min | 0.23 |
| 15 min | 0.25 |
| 16 min | 0.27 |
| 17 min | 0.28 |
| 18 min | 0.30 |
| 19 min | 0.32 |
| 20 min | 0.33 |
| 21 min | 0.35 |
| 22 min | 0.37 |
| 23 min | 0.38 |
| 24 min | 0.40 |
| 25 min | 0.42 |
| 26 min | 0.43 |
| 27 min | 0.45 |
| 28 min | 0.47 |
| 29 min | 0.48 |
| 30 min | 0.50 |
| 31 min | 0.52 |
| 32 min | 0.53 |
| 33 min | 0.55 |
| 34 min | 0.57 |
| 35 min | 0.58 |
| 36 min | 0.60 |
| 37 min | 0.62 |
| 38 min | 0.63 |
| 39 min | 0.65 |
| 40 min | 0.67 |
| 41 min | 0.68 |
| 42 min | 0.70 |
| 43 min | 0.72 |
| 44 min | 0.73 |
| 45 min | 0.75 |
| 46 min | 0.77 |
| 47 min | 0.78 |
| 48 min | 0.80 |
| 49 min | 0.82 |
| 50 min | 0.83 |
| 51 min | 0.85 |
| 52 min | 0.87 |
| 53 min | 0.88 |
| 54 min | 0.90 |
| 55 min | 0.92 |
| 56 min | 0.93 |
| 57 min | 0.95 |
| 58 min | 0.97 |
| 59 min | 0.98 |
| 60 min | 1.00 |
Need to add up a whole week first? Use the time card calculator, which shows both h:mm and decimal totals.
Frequently asked questions
How do I convert minutes to decimal hours?
Divide the minutes by 60. For example, 20 minutes ÷ 60 = 0.33 hours, and 45 minutes ÷ 60 = 0.75 hours.
What is 7 hours and 30 minutes in decimal?
7.5 hours. Thirty minutes is half an hour, or 0.5.
What is 8.25 hours in hours and minutes?
8 hours 15 minutes, because 0.25 × 60 = 15 minutes.
Why is 8:15 not 8.15 hours?
Because an hour has 60 minutes, not 100. 15 minutes is a quarter of an hour, so 8 hours 15 minutes is 8.25 decimal hours.
How do I convert decimal hours back to minutes?
Multiply the decimal part by 60. 0.4 hours × 60 = 24 minutes, so 6.4 hours is 6 hours 24 minutes.