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Calculate your exact age with precision. Find out your age in years, months, and days from any birthdate, calculate age at a specific date, or find the time between any two dates.
Leave as today to calculate current age, or choose a future/past date
Enter your birth date to calculate your age
Age calculation might seem straightforward, but precise age determination is important for many legal, medical, and administrative purposes. From determining eligibility for programs to calculating retirement benefits, accurate age calculation in years, months, and days can be crucial.
Our age calculator uses your exact birth date to calculate your age down to the day, providing comprehensive information including total months, weeks, days, hours, and minutes you've been alive. It also calculates when your next birthday will occur and how many days remain until that milestone.
Different ages carry significance across cultures and legal systems. Age 18 typically marks legal adulthood in most countries. Age 21 is significant in the US for alcohol consumption. Ages 50, 60, and 65 often trigger retirement planning milestones and eligibility for senior benefits. Understanding your exact age helps with planning for these important life transitions.
Beyond practical applications, knowing your age in different units can be fun and interesting. Celebrating your 10,000-day birthday or tracking how many weeks you've been alive adds perspective to the passage of time and can help you appreciate each day.
Leap years add an extra day every four years, which affects total day counts. Our calculator accounts for all leap years between your birth date and target date for precise calculations.
Yes! Our calculator allows you to set any target date. This is useful for determining how old you were or will be on specific dates, or for planning milestone birthdays.
Chronological age is the time since birth (what our calculator shows). Biological age estimates how old your body is based on health markers. Healthy lifestyle choices can make biological age lower than chronological age.