AGE CALCULATOR
Calculate your exact age in years, months, weeks, days, hours, and minutes from any date. Find out days until your next birthday too.
// select your date of birth to calculate
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// FAQ
FREQUENTLY ASKED QUESTIONS
Q1.How do I calculate my exact age in years, months, and days?
Subtract your date of birth from today's date. First subtract the years, then the months, then the days — adjusting for month-end boundaries. For example, if you were born on March 15, 1990, and today is April 4, 2026, your exact age is 36 years, 0 months, and 20 days. This calculator does all the math automatically.
Q2.How many days old am I?
Multiply your age in years by 365.25 (to account for leap years), then add the days from your last birthday to today. Alternatively, subtract your birth date from today's date directly — this calculator shows your total days lived alongside your age in years, months, and days.
Q3.How do I calculate how many days until my next birthday?
Find the date of your next birthday (same month and day, next year if the date has already passed this year), then subtract today's date. If today is your birthday, the answer is 0. This calculator shows your next birthday date and the exact day count automatically.
Q4.What generation am I based on my birth year?
Generations are defined by birth year ranges: Gen Alpha (2013+), Gen Z (1997–2012), Millennials (1981–1996), Gen X (1965–1980), Baby Boomers (1946–1964), Silent Generation (1928–1945), and the Greatest Generation (before 1928). These ranges are widely used but definitions can vary slightly by source.
Q5.Can I calculate my age as of a specific past or future date?
Yes — use the "Calculate age as of" field to enter any date (past or future). This is useful for calculating age at a specific event, checking if someone was old enough on a certain date, or projecting a future age. The calculator handles all date arithmetic automatically.
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