Age Calculator
Calculate exact age in years, months, and days with breakdown of total days lived, next birthday countdown, and zodiac sign.
Primary Age
Select your birthdate above
Total Months
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Total Weeks
-
Total Days
-
Next Birthday Countdown
-
Zodiac Sign
-
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100% Local Browser Privacy
All computation happens right in your browser's JavaScript engine. No data is ever sent to any remote server.
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Instant Results
Zero network latency. Calculations and formatting are executed instantly with high cryptographic and mathematical precision.
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Works Offline
Once loaded, this tool can function completely offline with no active internet connection required.
Frequently Asked Questions
Does this account for leap years?
Yes, all leap years and variable month lengths (28, 29, 30, 31 days) are accurately calculated.
Can I calculate age on a past or future date?
Yes, select any custom target date in the 'Age at the Date of' field.