Calculate your age, compare dates, and explore birthday facts in seconds.
AgeTool brings together practical calculators and easy-to-browse birthday pages in one clean place. Use it to find your exact age, count down to your next birthday, compare dates, check zodiac signs, and browse birth-date pages by month or year.
Featured calculators
Start with the tools people are most likely to use first.
Birthday Countdown
Find how many days remain until your next birthday.
Explore by category
Use the category links below to move around the site like a regular user, not like a developer.
Age calculators
Age calculator, age in days, age in weeks, age in months, age in hours, age difference and half birthday.
Date calculators
Days between dates, date duration, business days, add days to date, subtract days and holiday countdown tools.
Birthday and zodiac tools
Birthday countdown, birth weekday, next birthday, Chinese zodiac, Western zodiac and generation tools.
About AgeTool
AgeTool is designed to feel simple for visitors while still covering a wide range of age and date searches. That means you can use it as a practical calculator site, while also browsing helpful pages by birthday, birth year, month and zodiac sign.