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Age Calculator

Calculate exact age from birth date

agebirthdayyears old

📖 How to Use

Enter your date of birth
Click Calculate Age

📐 Formula

Precisely calculates years, months, and days
Total days = (today − birth date) in milliseconds / milliseconds per day

❓ FAQ

How precise is the age calculation?▾

It accounts for varying month lengths and leap years to give an exact age in years, months, and days.

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About Age Calculator

This tool is completely free, no registration required. Works directly in your browser. Supports both PC and mobile devices.

Age Calculator is a free online tool that works on both PC and mobile. No registration or download required — just open in your browser. Results are accurate and reliable for everyday use and professional reference.