Tip: set the second date to a future day — like a graduation, wedding or retirement — to see exactly how old you will be on that date.
How to use the Age Calculator
- Enter your date of birth in the first field.
- Leave the second date as today, or change it to find your age on any past or future date.
- Press Calculate to see your exact age, total days and hours lived, the weekday you were born and the countdown to your next birthday.
Age Calculator FAQs
Is this age calculator free?
Yes, completely free with no sign-up and no limits. Calculate as many ages and dates as you like.
How is my exact age calculated?
The calculator counts full years, then full months, then the remaining days between your date of birth and the target date — the same method used on official forms. It also adds up every day you have lived, including leap days.
Can I calculate my age on a specific date?
Yes. Change the "Age at date" field to any past or future date — for example a school cut-off, a job application deadline or your retirement date — and the result updates for that exact day.
How many days old am I?
Your total days are shown in the results, along with total weeks and total hours. Most people are surprised by the number — 30 years is already about 10,950 days.
Is my date of birth stored or sent anywhere?
No. Every calculation runs in your own browser on your device. Nothing you enter is uploaded, stored or logged.
Age Calculator — Your Exact Age in Years, Months and Days
This age calculator works out your exact age from your date of birth, down to the day. Along with years, months and days, you will see your total days lived, the weekday you were born and a countdown to your next birthday.
How to use it, step by step
- Enter your date of birth in the first field.
- Leave the second date as today, or pick any other date.
- Press Calculate to see your exact age and totals.
- Check your next birthday countdown and the weekday you were born.
- Share the result — most people enjoy seeing their total days lived.
Popular uses
- Fill in forms that ask for your exact age on a given date.
- Check age eligibility for school, sports and job cut-offs.
- Find your total days lived for milestone celebrations.
- Work out the exact age difference between two people.