how many oz of silver in a half dollar

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The amount of silver in a United States half dollar depends entirely on the year it was minted, as the composition has changed over time. The provided search results hint at this variability but do not contain enough specific information to fully answer the question. Based on established numismatic data, there are two primary categories of silver half dollars.

For half dollars minted in 1964 or earlier, such as the Franklin, Walking Liberty, and Barber series, the composition is 90% silver and 10% copper. These coins contain approximately 0.3617 troy ounces of pure silver. This is the figure most commonly associated with traditional "junk silver" half dollars.

From 1965 to 1970, the U.S. Mint produced Kennedy half dollars with a reduced silver content. These coins are often referred to as 40% silver-clad half dollars. Each of these coins contains a total of approximately 0.1479 troy ounces of pure silver. Half dollars intended for general circulation that were minted after 1970 do not contain any silver.