Years · Months · Days

Age calculator

Get your exact age and next birthday — a clean, shareable answer for forms, visas, and milestones.

Want a live party timer? Open Countdown to your next birthday, or check holidays near that date.

Your age

Date of birth As of date

How accurate is the age calculator?

It uses calendar months and days from birth date to today (or a custom “as of” date), not a fixed 365-day year.

Can I calculate age on a past date?

Yes. Change the “As of” date to any day in the past or future.