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Age calculator

Find calendar age, elapsed time and the next birthday.

Get started

  1. Enter the date of birth and a reference date. A blank reference uses today on your device.

Example

Input

Birth 2000-01-01, reference 2025-02-03

Expected result

25 years · 1 month · 2 days

Try it

Good to know

The calculation runs in your browser. Use consistent units in fields with no explicit unit.

Calculation method

Months align to the same day or to month-end. For a February 29 birthday, choose February 28 or March 1 in common years. Elapsed time uses 24-hour days.