Free tool
Decimal hours converter
Convert hours and minutes to decimal hours for timesheets, payroll and invoices, and back again. Type 1:45, 1h 45m, 105m or 1.75.
Converter
Decimal hours
1.75
- Hours:minutes
- 1:45
- In words
- 1 h 45 min
- Total minutes
- 105
Chart
Minutes to decimal hours chart
Every minute from 1 to 60 as a decimal of an hour, rounded to two places. Add the whole hours in front: 2 hours 20 minutes is 2.33.
| Minutes | 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 |
| Minutes | Hours |
|---|---|
| 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 |
| Minutes | Hours |
|---|---|
| 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 |
How it works
How to convert hours and minutes to decimal
-
1. Keep the whole hours
In 6 hours 36 minutes, the 6 stays as it is.
-
2. Divide the minutes by 60
36 ÷ 60 = 0.6.
-
3. Add them together
6 + 0.6 = 6.6 hours. To go back, multiply the decimal part by 60: 0.6 × 60 = 36 minutes.
Questions about decimal hours
How do I convert minutes to decimal hours?
Divide the minutes by 60. 45 minutes is 45 ÷ 60 = 0.75 hours, so 2 hours 45 minutes is 2.75 hours.
How do I convert decimal hours back to hours and minutes?
Keep the whole number as hours and multiply the decimal part by 60. 3.4 hours is 3 hours and 0.4 × 60 = 24 minutes.
Why do invoices and payroll use decimal hours?
Because you can multiply them by an hourly rate directly. 7.5 hours at 40 per hour is 300; 7:30 has to be converted first.
Is 1.30 hours the same as 1 hour 30 minutes?
No, and this is a common mistake. 1.30 decimal hours is 1 hour 18 minutes. 1 hour 30 minutes is 1.50 hours.
How should I round time for billing?
Many freelancers round each entry up to the nearest 6 or 15 minutes (0.1 or 0.25 hours). Whatever you choose, use the same rule every time and mention it to your client.
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