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Free tool

Decimal to Time Calculator

Convert decimal hours like 7.8 into hours, minutes, and seconds, or turn a time into decimal hours for payroll and timesheets.

How to use the Decimal to Time Calculator

  1. Enter the decimal hours, such as 7.8.
  2. Read the answer in hours and minutes and in clock format.
  3. Switch to Time to decimal hours if you need to go the other way.

Decimal to minutes chart

Decimal Minutes
0.1 6 min
0.2 12 min
0.25 15 min
0.3 18 min
0.4 24 min
0.5 30 min
0.6 36 min
0.7 42 min
0.75 45 min
0.8 48 min
0.9 54 min

Payroll systems often show hours as decimals, so 8.5 hours means 8 hours and 30 minutes, not 8 hours and 50 minutes. To add or subtract times, use our hours and minutes calculator.

Frequently asked questions

How do I convert decimal hours to minutes?

Multiply the decimal part by 60. For 7.8 hours, 0.8 × 60 = 48, so 7.8 hours is 7 hours and 48 minutes.

How do I convert hours and minutes to decimal?

Divide the minutes by 60 and add it to the hours. For 6 hours and 20 minutes, 20 ÷ 60 = 0.33, so it is about 6.33 hours.