Age Calculator
Enter your date of birth to calculate your exact age in years, months and days.
Your result will appear here.
For general information only. Financial and health results are estimates and may differ from official or professional calculations.
Age calculator: quick answer
An age calculator works out your age from your date of birth and the current date. It can be useful when you need an exact age in years, months and days.
How to use it
- Enter your date of birth.
- Let the calculator use the current date or enter the required date if the tool supports it.
- Calculate to see the result.
Example: A person born on 1 January 2000 is 26 years old on 1 January 2026.
Common mistakes
- Entering the date in the wrong order.
- Forgetting leap-day or month-length differences when calculating manually.
Frequently asked questions
Can age be shown in months and days?
Yes, an age calculator can calculate the completed years plus the remaining months and days.
Quick glossary
Date of birthThe day, month and year you were born.
Completed yearsFull years that have passed since birth.