Age Calculator
Calculate exact age in years, months, and days instantly in your browser.
Enter a birth date to calculate age.
How to use this tool
Enter a birth date, and optionally change the "as of" date — it defaults to today. The age in years, months, and days, plus total days lived, updates automatically as you change either date.
FAQ
Is this age calculator free to use?
Yes, this tool is completely free to use with no limits on how often you can use it.
Does my data get uploaded anywhere?
No. The age is calculated directly in your browser. Nothing is sent to a server.
How is the age calculated?
Age is calculated as a calendar difference in years, months, and days between the birth date and the "as of" date, along with the total number of days lived between the two.
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