Browse all published work-time calculators by category. Each tool focuses on a specific time, shift, schedule or date calculation and explains its assumptions on the calculator page.
Breaks & Lunch
Clock In & Out
Hours Goals
Shift Planning
10-Hour Shift Calculator→12-Hour Shift Calculator→3×12 Work Schedule Calculator→4-On 4-Off Schedule Calculator→4/10 Work Schedule Calculator→8-Hour Shift Calculator→9/80 Work Schedule Calculator→Hours Between Shifts Calculator→Hours Needed to Reach 40 Calculator→Overnight Shift Calculator→Shift Hours Calculator→Shift Length Calculator→
Shift Time
Time Card & Timesheets
Time Conversion
Time Reference
Time Tracking
Annual Work Hours Calculator→Average Hours Per Day Calculator→Average Hours Per Week Calculator→Biweekly Time Card Calculator→Biweekly Work Hours Calculator→Break Deduction Calculator→Clock In Clock Out Calculator→Clock In Time Calculator→Clock Out Time Calculator→Daily Work Hours Calculator→Decimal Time Card Calculator→Hours Left in Shift Calculator→Lunch Break Calculator→Monthly Work Hours Calculator→Multiple Break Calculator→Time Card Calculator→Time Card With Lunch Calculator→Timesheet Calculator→Weekly Work Hours Calculator→Work Hours Calculator→Work Hours With Lunch Calculator→