What it does
Calculate an exact age between two dates. Enter the values above to see a live estimate. The calculation runs in your browser, and the formula shown beside the result explains the method.
Back to calculators
Date & time
Age Calculator
Calculate an exact age between two dates.
Result
36 years
Born 1990-01-01
Formula
full calendar years elapsedAbout this calculator
How Age Calculator helps
Calculate an exact age between two dates.
When it is useful
This tool belongs to Date & time. It is useful when you want a quick, transparent answer before making a practical decision, checking a result or planning the next step.
How to use it
Enter the values that describe your situation, then select Calculate. The result updates in place, and the formula below it shows how the estimate was produced.
A considered estimateThis calculator gives an estimate for general information. Check important decisions with a qualified professional.
How it works
Enter the values above to see a live estimate. The calculation runs in your browser, and the formula shown beside the result explains the method.