Age Calculator
Use this free Age Calculator to compute an exact age between two dates. Enter a date of birth and an “as of” date to instantly get the result in years, months, weeks, days, hours, minutes, and seconds — plus your next birthday countdown.
Why this Age Calculator is surprisingly fun
Most age calculators stop at “years old”. This one breaks time down into totals (days, weeks, hours, minutes, seconds), which makes your timeline feel very real — and surprisingly shareable.
FAQ
What does this age calculator compute?
It calculates your exact age between two dates and shows breakdowns in years, months, weeks, days, hours, minutes, and seconds.
Can I calculate my age on a past or future date?
Yes. Simply set the “Age as of” date to any date after your birth date.
How do you handle leap years and Feb 29 birthdays?
The calculator uses date-safe logic for months and days, including leap years and end-of-month cases.
Why might results look off by one day?
This tool uses UTC-safe date math to avoid timezone edge cases that can happen around midnight.
Is this tool free to use?
Yes. No sign-up. It runs directly in your browser.