Decimal Hours Calculator
Convert HH:MM time to decimal hours (or back again) — handy for payroll and timesheets.
Result
07:30 HH:MM
Formula
Decimal Hours = Hours + (Minutes ÷ 60) + (Seconds ÷ 3600)
Examples
7:30 (HH:MM) = 7.5 decimal hours
8:15 (HH:MM) = 8.25 decimal hours
2.75 decimal hours = 2:45 (HH:MM)
9.1 decimal hours = 9:06 (HH:MM)
Frequently Asked Questions
How many HH:MM is 7.5 decimal hours?
7.5 decimal hours equals 07:30 HH:MM.