Date & time calculator
Standalone tool pageAge Calculator
Calculate age from a birth date in years, months, days, and total days.
Result
Age
0 years
Total days
0
Next birthday
—
How It Works
The calculator compares the birth date with a reference date and adjusts years and months when the current month/day has not reached the birthday yet.
Example
Someone born on 1995-01-01 is 31 years old on 2026-01-01.
Frequently Asked Questions
Does this calculate exact age?
It calculates calendar age in years, months, and days using the selected date as the reference.
Can I calculate age on a future date?
Yes. Set the reference date to any date after the birth date.