Hours Calculator

Work out a shift length with breaks, or total up a list of durations in hours and minutes.

Runs in your browser — nothing is uploaded
Calculate

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How to use Hours Calculator

  1. Choose between two times or adding durations.
  2. Enter the times (overnight shifts work) or paste durations.
  3. Read the total in hours and minutes, decimal hours and optional pay.

Questions

What formats can I add up?

h:mm (1:30), decimal hours (1.5), minutes (90m) and combinations (1h 30m). Put a minus in front to subtract a duration.

How do I convert minutes to decimal hours?

Divide the minutes by 60 — 45 minutes is 0.75 hours, so 7h 45m is 7.75 decimal hours.