How to Calculate Age Manually
Learn the step-by-step process of calculating age by hand, including handling leap years and different date formats.
Calculate your exact age in years, months, days, hours, and minutes. Find your next birthday and age milestones.
Enter your birth date to get precise calculations in years, months, days, hours, and minutes.
Calculate the age difference between two people.
Find out when you can retire based on your birth year.
Count down the exact days, hours, and minutes until your next birthday.
Our age calculator is designed to provide precise age calculations based on your birth date. Simply enter your birth date and optionally your birth time for the most accurate results.
Knowing your exact age can be useful for various purposes:
Age calculation involves complex considerations including leap years, different month lengths, and time zones. Our calculator handles all these complexities automatically to provide you with accurate results.
Leap years occur every four years (with some exceptions) and add an extra day to February. This affects age calculations, especially for people born on February 29th. Our calculator accounts for all leap years in its calculations.
Age calculations can vary slightly depending on time zones. Our calculator uses your local time zone to ensure the most accurate results for your location.
Explore our comprehensive guides to learn more about age calculation, cultural perspectives, and life milestones.
Learn the step-by-step process of calculating age by hand, including handling leap years and different date formats.
Discover how different cultures around the world calculate age, from Korean age to Chinese lunar age systems.
Understand the difference between how old you are and how old your body feels, plus tips for healthy aging.
Comprehensive guide to important milestones from birth to 100+, including legal ages and developmental stages.
Explore unique birthday celebrations and traditions from every corner of the globe.