How to Use This Calculator

1. 1

   Enter the age in years, plus the exact months and days if you know them.

2. 2

   Set the 'as of' date - the date at which that age applies (defaults to today).

3. 3

   The finder computes the exact date of birth - or a valid range when only years are known.

4. 4

   Use the result directly, or copy and share it.

Key Features

• Finds an exact date of birth from a given age
• Shows a valid date range when the age is not exact
• Great for forms, records, interviews and official documents
• Validates impossible ages with friendly messages
• Handles leap years and February 29 correctly

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