Time Calculator
Add or subtract hours, minutes and seconds. The result updates as you type, with the working underneath so you can check it.
Your details
Operation
Result
Result
2:36:15
- Total minutes
- 156.25
- Total hours
- 2.6041667
- Total seconds
- 9,375
Good to know: total = h × 3600 + m × 60 + s
About this tool
Formula
total = h × 3600 + m × 60 + s
Questions people ask
How do I add times over 60 minutes?
Convert to seconds, add, then convert back. This calculator does it for you.
Related tools
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators