Time Addition Calculator
Add multiple time durations in hours, minutes, and seconds. Get the total time and a step-by-step breakdown.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator adds up to 5 time durations (hours, minutes, seconds) and shows the total.
- Enter each duration in the rows: Hours (HH), Minutes (MM), Seconds (SS). Minutes and seconds must be between 0 and 59.
- Add or remove rows using the buttons below the inputs. You can have 1 to 5 durations.
- Click "Calculate Total Time" to see the sum.
- The result shows the total time in hours, minutes, and seconds, plus a step-by-step breakdown.
All inputs must be non-negative whole numbers. If you see an error, check the values and try again.
Previous Results
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Frequently Asked Questions
Enter hours, minutes, and seconds for each duration. Use the 'Add Duration' button to include up to 5 time intervals. Click 'Calculate Total Time' to see the sum and a breakdown.
No, the calculator supports up to 5 durations. For more, you can perform multiple calculations and add the results manually.
The calculator will show an error message. Minutes must be between 0 and 59, seconds between 0 and 59, and hours must be 0 or greater.