Calculate Age

Date of Birth

Age As Of

How to Calculate Your Age

Select your date of birth using the date picker.
The "Age As Of" field defaults to today. Change it to calculate age at a specific past or future date.
Click "Calculate My Age" to see your full age breakdown.

FAQs

How precise is the calculation?

Our calculator accounts for months of varying length and leap years, giving you the most accurate possible result in years, months, and days.

Can I calculate age at a past date?

Yes! Change the "Age As Of" date to any past date to calculate how old you (or someone else) were at that time.