Count the years
between the dates.
Get an exact calendar age, total days, the weekday you were born, and the next birthday countdown. Choose any “as of” date for planning, forms, or date checks.
Age calculator
Choose two dates.
Local calculation · calendar-aware
That is 435 full months and 13,252 days.
Next birthday: February 14, 2027.
The main result uses calendar years and months, then counts the remaining days. For February 29 birthdays in a non-leap year, the birthday date is treated as February 28 for the countdown.
How is exact age calculated?
The calculator counts complete calendar years from the birth date, then complete calendar months, then the remaining days. This avoids treating every month as a fixed 30-day block.
Can I calculate age on a future date?
Yes. Choose a future “Age on” date to see the age at a birthday, eligibility cutoff, appointment, or other planned event.
Does this send my birth date anywhere?
No. The dates and calculations stay in this browser tab and are not uploaded or sent to a service.