What is the silver content in coins?

The amount of silver content in a coin varies based on the type of coin, with Morgan and Peace silver dollars containing 0.77 troy ounces of silver, and a war nickel containing 0.06 troy ounces of silver. Both the Ben Franklin and the Walking Liberty half dollars contain 0.36 ounces.

Kennedy half dollars from 1964 contain 0.36 troy ounces of silver, while those from 1965 to 1970 contain only 0.15 troy ounces. The 1892 to 1915 Barber half dollar contains 0.36 troy ounces. The Mercury dime and the Barber dime both contain 0.07 troy ounces of silver, while the Eisenhower dollar contains 0.32 troy ounces of silver.