Free calculatorsDates & time
Date calculations become difficult when boundaries must be included or excluded, working days counted, or years, months, days and hours separated. This category measures time between dates, elapsed time, working hours, days worked, business days, weekends, exact age or time before a milestone. Simply choose the subcategory that interests you, then open the tool you need.
Time between dates
Count days, weekends and elapsed time between calendar dates.
Days Between Dates Calculator
Count days and calendar duration precisely between two dates.
Days Since Date Calculator
Count days since a date or days until a deadline, with a breakdown into full weeks and remaining days.
Weekends Between Dates Calculator
Count complete weekends, Saturdays and Sundays between two dates.
Working time
Add schedules, breaks, worked days and business days for a period.
Work Hours Calculator
Calculate working time between a start and end time after subtracting a break. Get the total in hours and minutes.
Working Days Calculator
Estimate annual Monday-to-Friday working days after deducting French public holidays and holiday weeks.
Business Days Calculator
Count business days between two dates, excluding weekends and national holidays in the selected calendar, with an option to include the end date.
Age & milestones
Find an exact age or days remaining before an expected date.