Age Calculator
Find your exact age between any two dates — in years, months, weeks, days, hours, minutes and seconds. Perfect for forms, birthdays and everyday curiosity.
Your exact age will appear here.
What is an Age Calculator?
An Age Calculator is a free tool that works out exactly how old you are from your date of birth. Rather than guessing or doing tricky mental math, you simply pick your birth date and the date you want your age on, and the calculator returns a precise breakdown in years, months, weeks, days, hours, minutes and seconds.
Because month lengths vary and leap years add an extra day every four years, calculating an exact age by hand is surprisingly error-prone. This tool handles every calendar rule for you, so the result is always accurate — whether you need it for an official form or simply want to know how many days you have been alive.
Measure the Gap Between Any Two Dates
The Age Calculator isn't limited to today. Set the second date to a past event to see how old you were then, or a future date to see how old you will be — for example on a milestone birthday, a wedding, or the first day of school.
How to Use It
Select your date of birth
Use the day, month and year dropdowns — no typing required.
Choose the target date
Leave it as today for your current age, or pick any other date.
Press “Calculate Age”
Your exact age appears instantly, broken down into every unit of time.
Copy your result
Tap Copy to save the figures for a form or to share.
Benefits
Precise
Accurate to the second.
Instant
Real-time results.
Private
Runs in your browser.
Free
No sign-up, no limits.