Age Calculator
Calculate your exact age in years, months, and days.
Enter your numbers and select Calculate to see results.
About This Calculator
This calculator computes your exact age — in years, months, and days, plus total days lived — from a birth date to a reference date (defaulting to today).
How This Is Calculated
Age = As-Of Date − Birth Date, expressed in years, months, and days
Someone born June 15, 1990 turns 35 on June 15, 2025.
Assumptions
- Uses calendar date math accounting for varying month lengths and leap years.
Frequently Asked Questions
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Last updated January 15, 2026. Results are estimates for informational purposes only — read our disclaimer.