Age Calculator
Calculate your exact age in years, months, and days from your birthdate.
Birthdate
What the tool does
Age Calculator computes exact age in years, months, and days from a birthdate — useful for forms, milestones, and eligibility checks.
How to use it
- Enter your date of birth.
- Optionally set an “as of” date.
- Read the breakdown of years, months, and days.
Supported formats
- Calendar dates
Privacy & security
This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.
FAQs
- Does it account for leap years?
- Yes. Age is computed from real calendar dates, including leap-day effects.
- Can I calculate age on a future date?
- If an “as of” date is available, set it to any valid date to project age.
- Is my birthdate uploaded?
- No. It never leaves your browser.