The 1964 Kennedy half dollar contain 11.25 grams of silver. Kennedy half dollars from 1965 through 1970 contain 4.60 grams of silver.
12.50 grams for a silver half dollar
The current weight is about 12.5 grams. The current melt value is a $11.23 as of 11/11.
For 90% silver coins (1964 & before) 10.2537 grams.
If you mean a 1998 Kennedy half dollar, the coin has no silver in it and is worth face value.
About $15.00, retail.
About 10.25 grams.
The '64 Kennedy half dollar contains 90% silver with 10% copper and weighs 12.5 grams. That's 11.25 grams of silver.
All silver half dollars, including the 1964 Kennedy, weigh 12.5 grams.
Kennedy is on the HALF dollar, not dollar. There were no U.S. silver dollars minted in the 1960s. The '64 Kennedy half is 90% silver and extremely common, currently worth about $10.50 for the silver.
12.50 grams for a silver half dollar
The 1964 Kennedy half has .36169oz of pure silver in it.
There is only 1 silver coin, the 40% Kennedy half dollar which contains 4.6 grams of pure silver.
A 1969 silver Kennedy half dollar is worth $5 inn perfect condition. The value of the silver is worth $2.87.
The 1969 Kennedy half dollar is only 40% silver with a value about $3.25
Kennedy half dollars minted 1965-70 are 40% silver by content and weigh 11.5 grams. That makes 4.6 grams of silver per coin. One troy ounce contains 31.1 grams, so there are 0.148 ounces of silver per coin.
The weight of the U.S. silver half dollar has changed over the course of it's history. In 1794 the silver half dollar weighed 13.48 grams and was 89.24 % silver. Then in 1836 the silver half dollar weight was changed to 13.36 grams and was 90% silver. In 1892 the silver half dollar weight was again changed to 12.50 grams which was the weight used until the final 90% silver half dollar struck for circulation was issued in 1964.
If the coin is a US Kennedy half dollar dated 1974 it has no silver in it and is face value.