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Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Plus, find the days between any two dates.
How old are you?
Days Between Two Dates
Add or Subtract Days from a Date
How Age is Calculated
The Math Behind Your Age
Calculating exact age isn't as simple as subtracting years. Our tool accounts for leap years, varying month lengths (28, 30, or 31 days), and the exact day of the month to give you a precise result.
Why Use an Age Calculator?
- Retirement Planning: Know exactly when you hit retirement age milestones (59½, 62, 65, 67).
- Legal Milestones: Track when you or your children reach legal ages (16, 18, 21).
- Anniversaries: Calculate exact months and days for wedding or work anniversaries.
- Project Deadlines: Use the "Days Between" tool to count working days or project durations.
- Fun Facts: Discover how many hours, minutes, and seconds you've been alive!
Leap Years Explained
A leap year occurs every 4 years (with exceptions for century years not divisible by 400). Leap years have 366 days instead of 365, adding an extra day to February (Feb 29). This tool automatically accounts for all leap years in your date range.
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Frequently Asked Questions
How does the age calculator handle leap years?
The calculator automatically accounts for leap years (years divisible by 4, except century years not divisible by 400). This ensures your total days, hours, and minutes are 100% accurate.
Can I calculate age for a future date?
Yes! In the "Age at Date" field, select any future date to find out how old you will be on that specific day. Great for planning retirement or milestone birthdays.
What is the legal age of majority in the USA?
In most US states, the age of majority is 18. However, it is 19 in Alabama and Nebraska, and 21 in Mississippi. Use our calculator to find the exact date you reach these milestones.
How many days are in a year?
A standard year has 365 days. A leap year has 366 days. On average, a year is 365.2425 days long, which is why we add a leap day every 4 years to keep our calendar aligned with Earth's orbit.
Is my data saved?
No. All calculations happen instantly in your browser. We do not store, track, or transmit your birth date or any personal information. 100% private.
Calculate Your Exact Age
Discover your age in years, months, days, hours, and minutes. Free, instant, and private.
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