Date
Age Calculator
Exact age in years, months, and days between two dates.
Inputs
Age Calculator
Result
Age
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Age in years, months, and days
Chronological age is calendar arithmetic: whole years since birth plus the leftover months and days. This tool handles leap years and month-length differences automatically.
More date math
For arbitrary date subtraction use the Date Difference Calculator; to shift a date by N days, the Add / Subtract Days Calculator; for hh:mm:ss spans, the Time Duration Calculator.