Time tool
Age Calculator
Calculate your exact age in years, months and days from your date of birth.
Choose a date to calculate your age.
About this age calculator
This free age calculator helps you calculate your exact age from your date of birth. It shows your age in years, months and days, as well as the total number of days lived.
How it works
Select your date of birth and the calculator will compare it with today's date. The result is calculated instantly in your browser.
Frequently asked questions
- How is my age calculated? ▾
- Your age is calculated by comparing your date of birth with today's date. The result shows your exact age in years, months and days.
- Why does the calculator show months and days as well? ▾
- Years alone can miss the full picture, especially around birthdays. Showing remaining months and days gives the most precise result.
- Is the age calculator accurate for leap years? ▾
- Yes. The calculator handles leap years correctly when counting days and months.
- Can I calculate the age of someone born on a specific past date? ▾
- Yes. Simply enter any past date of birth and the calculator will work out the exact age up to today.
- Is this age calculator free? ▾
- Yes, completely free. No sign-up, no download and no ads. Works entirely in your browser.