Utility•Free tool
Time Calculator – Add & Subtract Time Durations
Add or subtract hours, minutes and seconds. Combine multiple time durations or find the difference between two times.
No sign-upBrowser-based
UTL
Tool
Enter your values and get results instantly.
HOW
How to Use
- 1Enter hours, minutes and seconds\n2. Choose add or subtract\n3. See the result instantly\n4. Optionally find duration between two times
WIN
Benefits
Add and subtract durations
Hours/minutes/seconds input
Time difference calculator
Instant results
Free and private
FAQ
Frequently Asked Questions
How do I add time durations?
Enter hours, minutes and seconds for each duration and the calculator totals them, carrying over 60 seconds to minutes and 60 minutes to hours.
Can I find the difference between two times?
Yes, use the duration mode to enter a start and end time and see the elapsed hours, minutes and seconds.
Does it handle negative results?
Subtraction results are clamped at zero — durations cannot go below zero.