Calculator

Age Calculator

Enter your birth date to see your exact age and how many days until your next birthday.

Privacy-first: this tool runs in your browser without paid APIs or third-party calculation calls.

Date calculator

Exact age breakdown

Birth dateAs of date

Years

Months

Days

More details

9,132Total days

1,304Total weeks

364Days until birthday

How to use

Select your date of birth using the date picker.
View your age broken down into years, months, and days.
See how many days remain until your next birthday.
Copy results or adjust the date to compare ages.

FAQs

Is my birth date uploaded?

No. All calculations happen locally in your browser.

Does it account for leap years?

Yes. The calculator uses standard calendar date math.

Can I calculate someone else's age?

Yes. Enter any valid birth date.

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