Hours to Decimal
Enter hours and minutes to calculate the equivalent decimal hours.
Keep the whole hours, divide the minutes by 60, and add the two values. Minutes are base 60, so they must not be read as digits after a decimal point.
Time format conversion
Converted time
Not calculated
Breakdown
- Total minutes
- Not calculated
- Exact decimal (4 places)
- Not calculated
- Displayed decimal
- Not calculated
How do you convert hours and minutes to decimal hours?
Keep the whole hours, divide the minutes by 60, and add the two values. Minutes are base 60, so they must not be read as digits after a decimal point.
Minutes are divided by sixty, not treated as base-100 digits.
Decimal hours = hours + minutes ÷ 60.
Worked example
For 7:45, divide 45 by 60 to get 0.75, then add 7 for a result of 7.75 decimal hours.
Important cases
- 7:30 equals 7.50, not 7.30.
- 7:45 equals 7.75.
Quarter-hour conversions
| Time | Decimal |
|---|---|
| 7:00 | 7.00 |
| 7:15 | 7.25 |
| 7:30 | 7.50 |
| 7:45 | 7.75 |
Conversion values generated from exact minute ÷ 60 calculations. Four-place values are shown before the separately labeled hundredth-hour rounding.
Common questions
How do you convert hours and minutes to decimal hours?
Keep the whole hours, divide the minutes by 60, and add the two values. Minutes are base 60, so they must not be read as digits after a decimal point.
What should you check when using the Hours to Decimal?
7:30 equals 7.50, not 7.30. 7:45 equals 7.75.
Calculated using whole-minute arithmetic. Review the calculation methodology and rounding rules.