Age Calculator

Calculate age in years, days, and weeks from birth date.

Age Calculator helps you Calculate age in years, days, and weeks from birth date. Use it to solve technical problems quickly when you need accurate intermediate values and final outputs for class, lab, or engineering work. The form is specific to this tool and captures inputs like Birth date and As of date, so required data is explicit before you run it. After running, review sections like Age Inputs and Result to interpret results and verify they fit your real-world constraints. Save the exact inputs together with the result so teammates can reproduce and audit the output later.