AgeCalc: Age & Date Calculator

How old are you. exactly? AgeCalc calculates your age in years, months, and days, then helps you explore the dates, milestones, and fun facts around it. Enter a date of birth to see: • Your current age in years, months, and days • Time until your next birthday and the weekday it falls on • A birthday countdown in days, hours, minutes, and seconds • Your half birthday and zodiac sign • Playful estimates such as heartbeats, breaths, steps, sleep, and more • Your age on other planets and your lunar age More than an age calculator Use 11 practical and playful tools in one place: • Date Calculator — find the time between dates • Age Comparison — compare ages • Facts Calculator — explore estimated life facts • Working Day Calculator — count working and non-working days • Retirement Calculator — view retirement-age and life-expectancy estimates by country • Time Calculator — add, subtract, and compare time • Half Birthday Calculator • Age on Other Planets • Lunar Age Calculator • Generation Category • Zodiac Signs Save birthdays for family and friends so their age and next birthday are easy to check again. Browse birthday messages for people you care about, then copy or share a favorite greeting. Simple, useful, and made for curiosity, planning, and everyday date questions. No sign-up is required. AgeCalc is for general informational and entertainment use. Retirement and life-expectancy results are estimates and should not be used as financial or medical advice.