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Free Age Calculator - Use Online Without Installing
WebCalculate exact age from a date of birth
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How to Use
- 1Enter the full month, day, and year of birth.
- 2Review chronological age, days lived, and the next birthday countdown.
About This Tool
Calculate exact age from a date of birth. Enter the full month, day, and year of birth.
Good to know
The age changes on the birthday. Double-check the selected year before using the result on a form.
Worked Example and Result Check
Enter a birth date and reference date to calculate age on that particular day.
For official forms, confirm the organization’s reference date and age convention.