Calculate your exact age — or the time between any two dates
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How the Age Calculator Works
Enter your date of birth and a target date (defaults to today). The calculator gives your exact age in years, months, and days, plus a breakdown in total days, weeks, hours, and minutes. This is useful for official forms, age verification, or just knowing how many days until your next birthday.
Select your date of birth using the date picker
The Age On Date defaults to today — change it to calculate age on any past or future date
Click Calculate Age to see your result
Frequently Asked Questions
► How is exact age calculated?
Exact age is calculated by counting the full years between the birth date and target date, then the remaining full months, then the remaining days. This accounts for months of different lengths and leap years.
► Can I calculate age between two past dates?
Yes. Change the "Age On Date" field to any past date and the calculator will show the age at that specific point in time. Useful for historical records or calculating someone's age at a specific event.