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Everyday tools

Time Duration Calculator

Work out how much time is between two clock times — in hours and minutes, total minutes and decimal hours. Handy for work shifts and timesheets.

Duration8 hr 30 min
In minutes510 minutes
In decimal hours8.5 hours

How to use it

  1. Enter a start time and an end time.
  2. Tick “next day” for overnight shifts that cross midnight.
  3. See the duration in hours & minutes, total minutes and decimal hours.

FAQ

Why decimal hours? Payroll and timesheets often use decimal hours (e.g. 8.5 instead of 8 h 30 m).

Is anything stored? No — it all runs in your browser.