Time calculator — add and subtract hours, minutes and seconds
Add or subtract several times, e.g. 1:45 + 2:30 − 0:20, and get the total in hours, minutes and decimal hours.
Fill in the form — the result appears here instantly
How it works: Time calculator
Type one time per line as h:mm or h:mm:ss (e.g. 1:45 or 0:03:20) and start a line with − to subtract it. You get the total as h:mm:ss, days + hours and decimal hours (e.g. 3.92 h) to multiply by an hourly rate.
To count days between dates, use the date difference page.
FAQ
What is 1 hour 30 minutes in decimal?
1.5 hours.
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