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Age Calculator
Enter your date of birth and click Calculate to see your age
All calculations are done locally in your browser. No data is stored or transmitted.
How to use / Why use this tool / FAQ
How to use
Enter your date of birth and optionally a target date (defaults to today). Click Calculate to see your exact age, total days lived, and when your next birthday is.
Why use this tool
Perfect for birthday planning, legal age verification, or just satisfying curiosity. All calculations happen locally in your browser — no sign-up required.
FAQ
- How accurate is the age calculation?
- The calculation is accurate to the day, accounting for leap years and varying month lengths.
- Can I calculate age at a specific past or future date?
- Yes, change the 'Age at Date' field to any date — past or future.
- Is my birth date stored or sent anywhere?
- No. All calculations are done locally in your browser and no data is transmitted.