Time Interval Calculator
Measure an interval between two times
A clock-focused interval: hours, minutes and seconds first, the decimal hours payroll wants, and the ISO 8601 form for anything machine-readable.
Questions people ask
The things that come up about time interval calculators, answered plainly.
What are decimal hours?
Hours with the minutes as a fraction: 7 hours 30 minutes is 7.5. Payroll and billing systems nearly always want this form rather than hours and minutes.
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