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Home Calculators Age Calculator
All toolsExact age in years, months and days — plus total days lived and next birthday.
Pick a date of birth to see the exact age.
The Age Calculator works out an exact age between a date of birth and any other date — not just whole years, but years, months and days. It also shows the total number of days lived and the countdown to the next birthday, which is handy for forms, school and job applications, and planning celebrations.
For children especially, whole years are too rough — schools, clinics and official forms use years, months and days to place someone precisely. This calculator gives the exact breakdown.
Yes. Change the second date to any date you like — for example a school admission cut-off or a future birthday — and the age is worked out as of that date.
It is the exact number of days between the two dates, leap years included.