Age Calculator

Summary

Enter your birthdate and instantly see your exact age in years, months, and days — plus a countdown to your next birthday.

How it works

1. Enter your date of birth using the date picker.
2. Optionally change the "As of" date to calculate age at a specific point in time.
3. Click "Calculate Age" — your exact age in years, months, and days appears instantly.
4. View your age broken down into total months, total weeks, and total days.
5. Check the next-birthday countdown to see how many days remain.

Use cases

• Quickly find out how old you are in years, months, and days.
• Calculate a child's age for medical or school enrollment forms.
• Verify whether someone meets an age requirement (e.g., 18+ or 65+).
• Find how old a historical figure was on a specific date.
• Determine your age in weeks or days for fun or fitness tracking.
• Plan birthday parties by seeing exactly how many days remain.
• Calculate age for legal documents, insurance, or retirement planning.
• Check age eligibility for competitions or age-group sports.

Frequently Asked Questions