Time duration calculator
Use the Time duration calculator for fast, clear results with formulas and practical examples.
Time duration calculator
Result8 hr 30 min
Total seconds30,600
How to use this tool
- Enter the known values.
- Select Calculate to process the inputs.
- Review the result, formula, and calculation steps.
Worked example
Follow this example to see the method in practice.
Formula
duration = end time − start time
Frequently asked questions
Formula
The formula below shows how the result is calculated.
Important information
Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.