Age Calculator

Calculate age in years and total days lived from a birthday.

Use this page to calculate age from birthday. It focuses on birthday and target date and produces age in years and days lived.

How to use

Prepare birthday and target date and paste, upload, or enter it as requested by the page.
Adjust the available options, then run the process, conversion, generator, or lookup.
Review age in years and days lived, then copy, download, or continue editing the result.

Examples

Typical use

Input

1990-01-01

Output

Outputs current age and total days.

Privacy

Processed in browser Input not stored Review sensitive data

The input is mainly processed in your browser, and the page only uses browser capabilities needed to generate the result.

Frequently asked questions

Use birthday and target date as expected by this page. If validation fails, try a smaller sample and check encoding, separators, file type, or expression syntax.

The usual causes are input format issues, browser support, or option settings. Verify the workflow with the sample first, then replace it with your own data.

You can copy ordinary results, but review critical fields and edge cases before production use, official submission, financial calculation, or publication.

Next steps

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