Hours and Minutes Calculator
Add or subtract two durations in hours and minutes with proper 60-minute carry. Shows decimal hours and total minutes.
min
min
Sum
6h 15m
Decimal hours6.25
Hours:minutes6h 15m
Total minutes375
First duration3h 50m
Second duration2h 25m
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How to use this hours and minutes calculator
Hours and minutes calculator is two-operand duration math with carry (50m + 25m = 1h 15m extra). The Hours Calculator sums up to six segments. Time Calculator adds a duration to a clock time instead.
Formula
Convert each duration to hours, add or subtract, then display as hours:minutes and decimal.
Worked example
3h 50m + 2h 25m = 6h 15m (6.25 hours). 8h 10m − 0h 25m = 7h 45m.
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- Hours Worked Calculator — Calculate hours worked from one clock-in and clock-out, including unpaid break and overnight shifts. Shows decimal hours and hours:minutes.
- Hours Calculator — Add up to six hour-and-minute segments (jobs, tasks, or split shifts) into one total in decimal hours and hours:minutes.
- Time Calculator — Find elapsed time between two clock times, or add/subtract a duration from a clock time. Handles overnight and next-day offsets.
- Clock In / Clock Out Calculator — Convert clock-in and clock-out punches to paid hours with unpaid break and payroll rounding: none, 5, 10, 15 minutes, or the 7-minute rule.
Frequently asked questions
What is 3 hours 50 minutes plus 2 hours 25 minutes?
6 hours 15 minutes.
Can the result be negative?
Yes if you subtract a longer duration. The sign is shown.
Why not type 3.83 hours?
You can, via Decimal Hours. This page keeps the HH/MM boxes people search for.
Results are estimates for informational purposes and are not financial, legal, or professional advice. Last reviewed 2026-08-19.