How the math works
Each clock time becomes minutes after midnight. End minus start is the gross shift. If end is earlier than start, the calculator adds 24 hours (overnight). Unpaid lunch is subtracted last. Decimal hours = remaining minutes ÷ 60.
Need a full week? Use the time card calculator. Need only the conversion? Use the decimal hours converter.
Questions people search
How many hours is 8 to 4 with an hour lunch?
7 hours. Click the example chip above to load it.
How many hours is 7am to 3pm with a 30-minute lunch?
7 hours 30 minutes, which is 7.50 decimal hours on a timesheet.
Does this handle overnight shifts?
Yes. 10:00 PM to 6:00 AM with a 30-minute break is 7:30.