Age Calculator, Birthday Countdown and Date Tools in One Place
Calculate your exact age, count down to your next birthday, compare dates, explore zodiac signs and use practical time and life-stat tools from one fast website.
Popular calculators: Age Calculator, Age in Days, Birthday Countdown, Days Between Dates.
- Exact age tools in days, weeks, months, hours, minutes and seconds
- Birthday countdown, birth weekday, zodiac and generation calculators
- Date difference, business days, add/subtract date tools
- Life metrics such as heartbeats lived, sleep time and retirement estimate
- Birthday pages for birth year, weekday and exact birth dates
Featured calculators
Generation Calculator
Find your generation and pair it with zodiac context.
Open calculatorCalculator Clusters
The site is organised into practical groups so users and search calculators can navigate it easily.
Age tools
Age calculator, age in days/weeks/months/hours/minutes/seconds, age difference and half birthday.
Date tools
Days, weeks and months between dates, date duration, business days and add/subtract date tools.
Birthday & zodiac
Birth weekday, birthday countdown, Western zodiac, Chinese zodiac and generation pages.
Why people use AgeToolbox
AgeToolbox brings together simple, free calculators that help you explore your age, birthdays and important dates in one place. You can quickly find your exact age, see how many days or weeks you have lived, count down to your next birthday, discover your zodiac sign, and compare dates without needing to do the maths yourself.
Popular tools you can explore here
You can use AgeToolbox for exact age calculations, age in days, age in weeks, age in months, birthday countdowns, generation lookups, Chinese zodiac and Western zodiac results, plus practical date tools for counting days, weeks and months between two dates.
Frequently asked questions
What is AgeToolbox?
AgeToolbox is a free website with age, birthday and date calculators that work in your browser.
Which calculator is most popular?
The exact age calculator, age in days and birthday countdown are usually the strongest starting points.
Do the tools work on mobile?
Yes. The calculators are designed to work on both desktop and mobile devices.