Hours
Calculator

Calculate hours and minutes between two times, or add and subtract hours from a start time.

Time Range

Result

8h 0m

8

Decimal Hours

480

Total Minutes

Learn more

Why do computers count seconds from January 1, 1970 - and what happens in 2038?

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Frequently Asked Questions

Subtract the start time from the end time for each shift, subtract any unpaid break time, and sum all daily totals. For overnight shifts that cross midnight, add 24 hours to the end time before subtracting.

Divide the minutes by 60 and add the result to the whole hours. For 7 hours and 45 minutes, 45 divided by 60 equals 0.75, so the decimal representation is 7.75 hours.

A standard full-time schedule of 40 hours per week times 52 weeks equals 2,080 hours per year. Subtracting typical paid holidays of about 10 days reduces this to roughly 2,000 billable hours.

Hours Calculator - Calculate Hours Between Times | ToolsCanvas