Time & Work Calculators

Understand elapsed time and add up the net hours in your workweek.

Clock time or work time?

Time Duration measures a span between times or dates and can add or subtract a duration. Work Hours subtracts unpaid breaks and totals multiple shifts by day and week.

Work Hours Calculator

Total multiple shifts, subtract breaks, and compare weekly regular and overtime hours.

Time Duration Calculator

Find elapsed time across midnight or dates, or add and subtract a duration from a clock time.

Read the units correctly

Thirty minutes is 0.5 hours, not 0.30 hours. Overnight shifts need a next-day interpretation. Neither calculator accounts for time zones or daylight-saving transitions; use a payroll system for legal pay determinations.