28 calculators
Time & Date
Timestamps, timezones, durations, and date math.
Timestamps2
Time Zones2
Date Math6
- Date Difference CalculatorExact years, months and days between two dates — plus weeks, working days and hours.Open calculator
- Date Add/Subtract CalculatorAdd or subtract days, weeks, months, years or working days from a date.Open calculator
- Ready-madeAge CalculatorYour exact age in years, months and days — and days to your next birthday.Open calculator
- Ready-madeWorking Days CalculatorBusiness days between two dates, excluding weekends and holidays.Open calculator
- Ready-madeAdd Working Days CalculatorThe date that's N business days from a date, skipping weekends and holidays.Open calculator
- Ready-madeDeadline & Notice Period CalculatorThe last day of a notice period, deadline or limitation period.Open calculator
Durations3
- Duration ConverterConvert durations between seconds, minutes, hours, days, weeks and HH:MM:SS.Open calculator
- Countdown & Elapsed Time CalculatorTime left until an event — or time since it happened.Open calculator
- Time Calculator — Add and Subtract Hours, Minutes and SecondsAdd and subtract times in h:mm:ss, multiply or divide a time, or find the time between two clock times — even across midnight.Open calculator
Travel & Distance7
- Speed, Distance & Time CalculatorSolve for speed, distance or time — in any units, with pace and arrival time.Open calculator
- Ready-madeRunning & Walking Pace CalculatorYour pace per km and mile, speed, and predicted race times.Open calculator
- Ready-madeTravel Time Calculator (with Stops)How long a road trip takes with breaks — and when you'll arrive.Open calculator
- Ready-madeLight Travel Time CalculatorHow long light (or a radio signal) takes to cover a distance.Open calculator
- Great-circle Distance CalculatorThe shortest distance between two places on Earth — 'as the crow flies'.Open calculator
- Ready-madeFlight Duration EstimatorRoughly how long a flight between two cities takes.Open calculator
- Bearing & Heading CalculatorTrue and magnetic bearing between two points — or where a bearing and distance take you.Open calculator
Calendar2
Work Time3
- Work Hours & Timesheet CalculatorTotal hours worked from start and end times, with breaks, overtime and pay.Open calculator
- Overtime Pay CalculatorOvertime hours and pay under Indian, US federal or California rules.Open calculator
- Shift Rotation PlannerA day-by-day roster for 2-2-3, DuPont, 4-on-4-off or your own rotation.Open calculator