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Age Calculator
Calculate your exact age in years, months, and days. Or find the time between any two dates — great for birthdays, anniversaries, and milestones.
Frequently Asked Questions
Age is calculated by comparing the birth date to today's date (or your chosen date), counting complete years, then remaining months, then remaining days. Leap years and varying month lengths are all accounted for.
The calculator shows how many days until your next birthday as part of the results. Enter your date of birth and today's date to see this automatically.
Yes — use the "date from" and "as of" fields to calculate the age of anything: a company, a building, a relationship, or any historical event. Just set the start and end dates accordingly.