Time calculator

Add or take away hours and minutes, or find the time between two clock times.

How to use it

  1. Choose what you need.
  2. Type times such as 2:45, 1h 30m or 9 am.
  3. Read the result, also shown in decimal hours.

Example: 2:45 plus 1:30 is 4:15. From 9:00 to 17:30 is 8:30.

Opening the tool…