Date & time

Age calculator

Use the Age calculator for fast, clear results with formulas and practical examples.

Age calculator

Result36 yrs 7 mths 1 day
Total days13,362Next birthday2027-01-01

How to use this tool

  1. Enter the known values.
  2. Select Calculate to process the inputs.
  3. Review the result, formula, and calculation steps.

Worked example

Follow this example to see the method in practice.

Formula

calendar age = complete years + months + days between two dates

Frequently asked questions

Formula

The formula below shows how the result is calculated.

Important information

Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.