How to Convert Decimal Hours to Hours and Minutes

Decimal hours express a duration as a number with a fractional part. To convert decimal hours into hours and minutes, keep the whole number as hours and multiply the decimal fraction by 60 to find minutes.

Practical timekeeping guide · ShiftHours

Use the conversion formula

Separate the whole number from the decimal fraction. For 7.25 hours, the whole number is 7 hours and 0.25 × 60 = 15 minutes. Therefore, 7.25 decimal hours equals 7 hours and 15 minutes.

For 7.75 hours, 0.75 × 60 = 45 minutes, so the duration is 7 hours and 45 minutes.

Common decimal-hour examples

7.50 hours is 7 hours 30 minutes; 6.25 hours is 6 hours 15 minutes; 8.10 hours is 8 hours 6 minutes because 0.10 × 60 = 6. Decimal parts are fractions of an hour, not minutes written after a decimal point.

That is why 7.30 decimal hours is not the same as 7 hours 30 minutes. 0.30 × 60 = 18 minutes.

Use enough precision

If a value has repeating decimals, rounding may be needed. Keep the original value during intermediate calculations where possible, then round only according to your timesheet or payroll procedure.

Do not mix clock notation such as 7:30 with decimal notation such as 7.50 without converting properly.

Quick check

Multiply the decimal portion by 60. The result should be a number of minutes from 0 to less than 60. If it equals or exceeds 60, the input may need to be normalized.

For the reverse process, see how to convert minutes to decimal hours and the decimal hours chart.

Related resources

Open the work hours calculator · Browse all ShiftHours articles · Decimal hours chart