Age Calculator — How Old Am I?

Calculate your exact age down to the day. Enter your birthday to find out.

Updated March 2026 — Current data & formulas
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Disclaimer: This tool provides estimates for informational purposes only and does not constitute financial, tax, or legal advice. Consult a qualified professional for your specific situation.

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How the Age Calculator Works

This age calculator computes your exact age by finding the difference between your date of birth and today (or any other date you choose). It accounts for varying month lengths and leap years to give you precise results in years, months, and days.

Why Calculate Your Exact Age?

You might need your exact age for government forms and legal documents, insurance applications, retirement planning eligibility, social security benefits, passport applications, or simply curiosity. Many official forms require age in years and months, not just years.

Frequently Asked Questions

How is exact age calculated?

Exact age is calculated by finding the difference between your birth date and the current date, accounting for varying month lengths (28-31 days) and leap years. The result shows complete years, remaining months, and remaining days.

Does the age calculator account for leap years?

Yes. The calculator uses actual calendar dates, so leap years (February 29) are automatically accounted for in the calculation.

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