date tool

Age Calculator

Calculate your exact age in years, months, and days using this free age calculator.

Pick a birthdate to calculate the age difference from today.

resulttoday
36
years
2
months
14
days
total days

13222 days

approximate

1888 weeks

434 months

How it works

calendar math

This calculator compares the selected birthdate with today's date, then breaks the difference into calendar years, months, and days. It also shows total days plus simple week and month approximations for quicker planning.

Common uses

quick reference

Check exact age for forms, applications, and eligibility requirements.

Compare birthdays with a clean years-months-days breakdown.

Estimate age in total days or weeks for milestone tracking and planning.