Age Calculator — Calculate Exact Age in Years, Months & Days
Find your exact age in years, months, days, hours, and minutes. See fun facts about your life and when your next birthday is. All calculations happen locally — nothing leaves your browser.
How to Use the Age Calculator
- Enter your birth date — select the date you were born.
- View your exact age — see years, months, days, hours, and minutes.
- Check fun facts — see interesting details about your life.
- Plan ahead — see when your next birthday is and how many days until it.
About Zodiac Signs
Zodiac signs are based on the position of the sun relative to constellations. Your sun sign is determined by your birth date and is one of the twelve astrological signs. While astrology isn't scientifically validated, many people find their zodiac sign interesting for self-reflection and entertainment.
Frequently Asked Questions
Exact age is calculated by finding the difference between your birth date and today, accounting for years, months, and days. It considers the varying lengths of months and leap years for precise results.
Your zodiac sign (sun sign) is determined by the sun's position at your birth date. The twelve signs are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces.
The average heart beats about 100,000 times per day, or about 2.5 billion times in a 70-year lifetime. Your total depends on your resting heart rate and activity level throughout life.
Use Cases
Age Between Dates
Calculate the exact age between two dates for legal documents, age verification, or determining eligibility for age-restricted programs.
Birthday Invitations
Find exact ages for personalized birthday party invitations or milestone celebration planning with friends and family.
Retirement Planning
Calculate your current age to plan retirement timelines and determine how many years until you reach retirement milestones.
Historical Date Computation
Determine the age of historical figures or calculate time spans between important historical events and dates.
Pet Age in Human Years
Convert your pet's age to human years for understanding their life stage and planning appropriate veterinary care.