Age Calculator
Calculate your exact age in years, months, days, hours, minutes and seconds with our precise age calculator.
Calculate Your Age
Enter your date of birth below
❓ Frequently Asked Questions
Everything you need to know about our age calculator
About Our Age Calculator Tool
Our free online age calculator is designed to give you the most accurate age calculation possible. Whether you need to know your exact age for a legal document, a medical form, or just out of curiosity, our tool provides comprehensive results instantly.
How Age Calculation Works
Age is typically calculated from the date of birth to the current date. Our calculator uses the Gregorian calendar system and accounts for:
- Leap years — Years divisible by 4 (except centuries not divisible by 400)
- Varying month lengths — From 28 to 31 days depending on the month
- February 29th birthdays — Special handling for leap day babies
- Timezone considerations — Calculation based on your local date
Common Uses for Age Calculators
Age calculators are widely used for various purposes including:
- Government and legal documentation requiring exact age
- School and university enrollment age verification
- Insurance and financial planning age requirements
- Medical records and healthcare assessments
- Retirement planning and eligibility checks
- Fun — finding out exactly how many days you've been alive!
Why Choose CalcTools?
CalcTools provides fast, reliable, and privacy-focused calculation tools. All calculations happen in your browser — we never store your personal data. Our tools are free to use, mobile-friendly, and designed with accessibility in mind.