Productivity

Age calculator

Calculate your exact age in years, months, and days from any birth date.

Date of birth

Calculate age as of

—Years

—Months

—Days

—Total days lived

—Days to next birthday

100% private. All processing happens locally in your browser — no files or data are ever sent to a server.

How to use Age calculator

01 Fill in the required values using the fields provided
02 Results calculate automatically as you type
03 Copy or note the result — all calculations stay on your device

Frequently asked questions

Common questions about Age calculator.

Is Age calculator free to use?

Yes, Age calculator is completely free. No account, subscription, or payment is ever required — just open the page and start using it.

Does Age calculator upload my data to a server?

No. Age calculator runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.

Can I use Age calculator on my phone or tablet?

Yes. Age calculator is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.

Are these results accurate enough to rely on?

Age calculator uses well-established formulas and provides accurate estimates for everyday use. For financial, medical, or legal decisions, always consult a qualified professional.

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About Age calculator

The Age Calculator computes your exact age in years, months, and days from any date of birth to today or to a specified target date. It accounts for leap years and the varying lengths of months to give a precise result rather than a rounded approximation. Common uses include verifying age eligibility for age-restricted services, calculating how many days remain until a birthday, understanding precise age differences, and performing formal age verification for legal or administrative purposes.