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Free Online Calculator
Time Calculator
Add or subtract hours, minutes, and seconds with ease. Get precise results instantly with a clean, responsive interface.
Time Details
Choose an operation and enter two time values.
A
Hours, minutes, and seconds
B
Hours, minutes, and seconds
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Tip: Enter minutes and seconds from 0–59. The calculator automatically handles carrying and borrowing between units.
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Time Result
Your calculated duration
Result
03:15:30
3 hours, 15 minutes, 30 seconds
3
Hours
15
Minutes
30
Seconds
195.50
Total Minutes
11,730
Total Seconds
Calculation
02:30:00 + 01:45:30 = 04:15:30
Add Time
Combine two durations and automatically carry seconds and minutes into the next unit.
Subtract Time
Find the difference between two time durations with automatic borrowing between units.
Instant Conversion
View the result as hours, minutes, seconds, total minutes, and total seconds.
Time Conversion Reference
Handy conversions for common time units.
60 sec
= 1 minute
60 min
= 1 hour
24 hours
= 1 day
3,600 sec
= 1 hour
Result copied