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Age Calculator
Calculate completed years, months and days from a birth date to an as-of date.
Results
Enter your values and select Calculate to see the result.
Formula and assumptions
Calendar difference with completed months. Month-end anniversaries use the last valid day.
Choose the as-of date explicitly. Calendar dates do not include time zones or times of day.
Frequently Asked Questions
Calendar difference with completed months. Month-end anniversaries use the last valid day.
Choose the as-of date explicitly. Calendar dates do not include time zones or times of day.
Calculations run in your browser. Calculator values are not included in calculation analytics events.