Age Calculator
Exact age in years, months, days. Free, private and runs in your browser.
About Age Calculator
Age Calculator works out your exact age in years, months and days from your date of birth. It is useful for forms, milestones or simply finding out how old someone is today.
How to use Age Calculator
- Pick your date of birth in the date box.
- Click “Calculate age”.
- Read your exact age in years, months and days.
When is Age Calculator useful?
- Check an exact age for an application form
- Count the years, months and days since a birthday
- Work out the age of a child in months
Frequently asked questions
How accurate is it?
It compares your date of birth with today's date on your device, so it is accurate as long as your device date is correct.
Does it store my date of birth?
No. The calculation is done in your browser and nothing is saved.
Can I use any date?
Enter a date of birth in the past. A future date will not give a meaningful age.
Is Age Calculator free to use?
Yes. Age Calculator is free, with no sign-up and no usage limits.
Is my data sent anywhere?
No. The work is done in your browser on your own device, so nothing you use here is sent to our servers.
Privacy and safety
Age Calculator runs entirely in your browser. What you enter never leaves your device and nothing is kept after you close the page.
Related tools
BMI Calculator
Body mass index from height and weight
Percentage Calculator
Find a percent of a number, what percent, and percentage change
EMI / Loan Calculator
Work out your monthly instalment, total interest and yearly payment schedule
Scientific Calculator
Trig, logs, powers, roots and factorials in one calculator