Calculator category

Date & Time calculators

Compare dates and understand elapsed time without counting calendar pages.

7 working calculators

Clear formulas · Useful comparisons · No sign-up

Age Calculator

Calculate calendar age, elapsed weeks and the time remaining until the next birthday.

Calculate elapsed days, complete weeks, remaining days and total hours between two dates.

Count Monday-to-Friday working days between two dates and optionally exclude custom holidays.

Add or subtract whole days, weeks, months or years from a date with calendar-aware month handling.

Calculate elapsed hours and minutes between two times, including overnight periods and an optional break.

Convert a local date and time between Kuala Lumpur and popular world time zones with daylight-saving adjustments.

Calculate net work hours across repeated shifts and optionally estimate gross pay from an hourly rate.