Age Calculator

Find calendar age from two dates.

How to use Age Calculator

Find calendar age from two dates.

  1. Enter test input, or adjust generator options.
  2. Choose Run and review the available options.
  3. Run the selected action; review any validation message.
  4. Inspect the output before copying, printing or downloading it.

A small example

Options: {
  "start": "1995-01-01",
  "end": "2026-09-20"
}

Example output:
{
  "completedYears": 31,
  "totalDays": 11585,
  "note": "Calendar years, with 29 February anniversaries treated as 28 February in non-leap years."
}

When the result looks wrong

Check both calendar dates and whether the result matches the date convention needed for your form. It is not proof of eligibility or identity.

Questions about Age Calculator

Is my input uploaded?

File and text processing runs in your browser. Opening the website still loads application assets from its host.

What if the result looks wrong?

Check both calendar dates and whether the result matches the date convention needed for your form. It is not proof of eligibility or identity.

Can I use sensitive production data?

Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.

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Supported input and output

Text input; check the selected action and example for the expected syntax.

See the result panel and available copy or download controls for the selected action.

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