Decimal Hours Converter

Convert hours and minutes to decimal hours and back.

100% Free No Signup Required Works on Any Device Saved in Your Browser

Enter hours and minutes to convert to decimal hours.

Choose a mode, enter values, and click Convert.

100% Free No Signup Required Works on Any Device Saved in Your Browser

Conversion examples

7 hours 30 minutes

7h 30m → decimal

7.50 hours

30 minutes = 0.50 in decimal form

4 hours 15 minutes

4h 15m → decimal

4.25 hours

15 minutes = 0.25 hours

Decimal to h/m

8.75 decimal hours

8h 45m

0.75 × 60 = 45 minutes

Decimal Hours Conversion Explained

A decimal hours converter translates between the way people read time (7 hours 30 minutes) and the format payroll systems use (7.50). Enter hours and minutes to get decimal, or enter decimal to get hours and minutes.

Timesheets and HR software often require decimal entries because pay math is simpler: rate × 7.50 instead of rate × (7 + 30/60). This tool rounds to two decimal places, matching common payroll practice.

Related tools: minutes to hours calculator for raw minute totals, and work hours calculator for full shifts with breaks.

Related calculators

Related guides

Frequently Asked Questions

Converting between decimal and hours/minutes.

How do you convert 7 hours 30 minutes to decimal?

Divide the minutes by 60 and add to the hours: 7 + (30 ÷ 60) = 7.50 decimal hours. Our converter does this instantly.

Why do timesheets use decimal hours?

Payroll systems multiply decimal hours by hourly rate in one step. It avoids mixing hours and minutes in formulas.

How do I convert decimal back to hours and minutes?

Take the whole number as hours. Multiply the decimal fraction by 60 for minutes. For example, 7.50 → 7 hours and 30 minutes.

What is 0.25 in decimal hours?

0.25 hours equals 15 minutes. Common decimals: 0.25 = 15m, 0.50 = 30m, 0.75 = 45m.

Can I switch conversion direction?

Yes. Use the mode toggle or swap button to convert hours/minutes to decimal or decimal to hours/minutes.