Time Calculator
Calculate time differences and add or subtract hours, minutes and seconds.
Time Difference
8 hours 30 minutes
510 minutes total
Result
3 hours 45 minutes
13,500 seconds total
Quick Time Calculations
How to Use the Time Calculator
Time Difference: Enter a start time and an end time to find the exact duration between them.
Add / Subtract Time: Enter a base duration, choose Add or Subtract, and enter the time to change it by.
The calculator displays the result in hours, minutes and seconds, along with the total number of minutes or seconds.