Time Calculator

Add and subtract time values in hours, minutes, and seconds

First Time

00:00:00

Second Time

00:00:00

Time Calculator Guide

How to Use:

  • • Enter time values in hours, minutes, and seconds
  • • Choose between addition or subtraction
  • • Minutes and seconds should be 0-59
  • • Hours can be any positive number
  • • Results are automatically formatted correctly

Common Uses:

  • • Calculate total work hours
  • • Add up exercise or activity durations
  • • Subtract break times from work periods
  • • Calculate elapsed time between events
  • • Convert between time formats

Time Format Examples:

  • • 1 hour 30 minutes = 1:30:00
  • • 45 minutes = 0:45:00
  • • 2.5 hours = 2:30:00
  • • 90 minutes = 1:30:00
  • • 3600 seconds = 1:00:00
  • • 1.25 hours = 1:15:00