How accurate is the age calculation?

The calculator computes your age to the exact day by counting calendar years, months, and remaining days from your birth date to the selected date.

Can I calculate age as of a past or future date?

Yes. The "As of" field lets you choose any date. Leave it blank to use today's date.

Calculate exact age in years, months, and days. Find total days alive, the day of the week you were born, and your next birthday countdown.

Your data never leaves your device

Birth Date

As of Date(optional)

How accurate is the age calculation?

The calculator computes your age to the exact day by counting calendar years, months, and remaining days from your birth date to the selected date.
Can I calculate age as of a past or future date?

Yes. The "As of" field lets you choose any date. Leave it blank to use today's date.