Time Calculator (Add & Subtract Hours, Minutes)

Time calculator: add and subtract hours, minutes and seconds — total a list of durations and get the result in h:mm:ss, decimal hours and minutes.

total = Σ h:mm:ss

How to use this calculator

  1. Type your input in the box.
  2. The result updates as you type.
  3. Use “Copy result” or “Copy link” to share it.

Type one duration per line as h:mm or h:mm:ss (or decimal hours). Put a minus sign in front to subtract it.

Frequently asked questions

2:45 + 1:30:15 − 0:20 + 0:55?

4:45:15 (4.7542 hours).

Related calculators

Last updated: · Report an error