Calculate exact age in years, months, and days from a date of birth.
Enter Your Details
Your Exact Age
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Total Days Lived—
Days Until Next Birthday—
Formula
Age is calculated as the full calendar difference in years, months, and days between the birth date and today.
Example
Someone born on June 15, 1990 would be a specific number of years, months, and days old as of today, calculated automatically.
Not tax or financial advice. This calculator provides general estimates based on published 2026 figures. Always confirm important figures with the IRS, SSA, your state tax agency, a licensed lender, or a qualified professional.
Frequently Asked Questions
Does this account for leap years?
Yes, the calculation uses actual calendar dates, so leap years are automatically handled.
Can I calculate age as of a different date?
This tool calculates age as of today. For a specific past or future date, use the Date Calculator instead.