What can I calculate?

The exact age in years, months, and days, total days lived, the day of the week of birth, and the number of days until the next birthday.

Does it work for any date?

Yes — it works for any past birth date, so it is handy for kids, milestones, and pets too.

Birthday Age Calculator

Find an exact age and count down to the next birthday.

Enter any birth date to see an exact age broken down into years, months, and days — plus the weekday someone was born and a live countdown to their next birthday.

Date of birth

Pick a birth date to see the exact age and a countdown to the next birthday.

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Frequently asked questions

What can I calculate?: The exact age in years, months, and days, total days lived, the day of the week of birth, and the number of days until the next birthday.
Does it work for any date?: Yes — it works for any past birth date, so it is handy for kids, milestones, and pets too.

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