How does the age calculator work?

It calculates the time between your birth date and a selected date.

Can I calculate age on a past date?

Yes, you can set a custom end date.

Yes, it provides years, months, and days.

It uses exact date differences based on calendar days.

Yes, any date works including pet birthdays.

Calculate exact age in years, months, and days with a simple date input.

Select your birth date and an optional end date to calculate your exact age. This free online age calculator is fast and accurate.

Date of Birth

As of Date (optional)

It compares the birth date to a selected end date and calculates full years, remaining months, and days.

The calculator adjusts for calendar months and days to provide an exact age breakdown.

Use this free age calculator to find your exact age for profiles, forms, or milestone planning. Accurate results in seconds.