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DateDelta
Payroll systems want 7.75 hours, not 7 hours 45 minutes — this converts between the two instantly.
Decimal hours are easier to multiply by an hourly rate than clock time — 7.75 hours × $20/hr is simple multiplication, while 7 hours 45 minutes × $20/hr requires converting the minutes first anyway.
45 minutes is not '.45' of an hour — it's 45 ÷ 60 = 0.75 hours. Treating minutes as if they were already a decimal (using the minute value directly after the decimal point) is a frequent payroll calculation error.
Duration between two times of day, in hours and minutes.
OpenHours worked from clock-in, clock-out, and break time.
OpenWeekly total hours and overtime from daily entries.
OpenAnnual cost of your daily commute.
OpenDecimal hours
7.758
Useful for timesheets and payroll, which usually need decimal hours rather than HH:MM:SS.
What you entered
Convert minutes to a fraction of an hour
45 ÷ 60= 0.75Convert seconds to a fraction of an hour
30 ÷ 3600= 0.0083Sum hours, minutes, and seconds as decimal hours
7 + 0.75 + 0.0083= 7.7583 hoursResult
Decimal hours: 7.758
7h 45m 30s converts to 7.758333333333334 decimal hours.