Age Calculator
9 toolsCalculate exact age from a birthdate.
Runs in your browser — your files and text stay on your device
Calculate exact age in years, months and days from a date of birth, measured up to today. It accounts for the different lengths of months and for leap years. The calculation runs in your browser and the date isn't stored.
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Pick a date of birth
How to use this tool
- 1Pick a date of birth.
- 2Your exact age in years, months, and days appears automatically.
Frequently asked questions
Why not just show age in years?
A full breakdown is more precise than a rounded number — useful for legal, medical, or eligibility purposes.
Is my birth date stored anywhere?
No — it stays in your browser tab only.