Age Calculator
Enter your date of birth to find your exact age in years, months, days, weeks, and how many days until your next birthday.
Select your date of birth above
About This Tool
This free age calculator gives you a precise breakdown of your age down to the exact day. Simply enter your date of birth and instantly see your age expressed in years, months, days, total weeks, and total days. It also tells you how many days remain until your next birthday.
All calculations happen entirely in your browser, so your data is never sent to any server. The tool accounts for varying month lengths and leap years to deliver reliable results every time.
Whether you need your exact age for an official form, want to know your age in days for fun, or are counting down to your next birthday, this calculator has you covered.
Frequently Asked Questions
How does the age calculator work?
The calculator takes your date of birth and compares it to today's date to compute your exact age in years, months, and days. It also calculates total months, total weeks, total days, and how many days remain until your next birthday.
Is this age calculator accurate?
Yes. The calculator accounts for varying month lengths and leap years by using precise date arithmetic rather than simple averages.
Can I use this tool on my phone?
Absolutely. The age calculator is fully responsive and works on any device with a modern web browser, including smartphones and tablets.
Is my date of birth stored or shared?
No. All calculations run entirely in your browser. Your date of birth is never sent to any server or stored anywhere.