1 hr 15 min
Converted to base-10 hours
Convert Hours and Minutes to Decimal Hours
Turn hours and minutes into payroll-style decimal hours, or convert a decimal value back to a normal duration. Both directions update instantly.
FreeNo sign-upRuns on your device
Convert both ways
Decimal hours
Hours and minutes → decimal
Decimal hours → hours and minutes
decimal hours
The formula
How this calculator works
Decimal hours = hours + minutes ÷ 60
Minutes use base 60 while decimal hours use base 10. That is why 30 minutes is 0.50 hours and 45 minutes is 0.75 hours—not 0.30 or 0.45.
Real examples
Common workday calculations
1.25 hours
7 hr 30 min
Converted to base-10 hours
7 hr 45 min
Converted to base-10 hours
Good to know
Edge cases and common mistakes
- 7 hours 30 minutes is 7.50 decimal hours, not 7.30.
- Results are displayed to two decimal places; payroll systems may use different rounding rules.
- Convert each shift before adding only if your payroll process requires per-shift rounding.
- This tool converts duration only and does not calculate pay or overtime.
Answers
Frequently asked questions
What is 7 hours 30 minutes in decimal hours?
It is 7.50 decimal hours because 30 minutes is one half of an hour.
What is 7.75 hours in hours and minutes?
It is 7 hours 45 minutes. Multiply the decimal portion, 0.75, by 60.
Why is 15 minutes 0.25 hours?
Fifteen minutes is one quarter of 60 minutes, so it equals 0.25 of an hour.