Pre-1965 dimes are 90% silver & 10% copper. The Actual Silver Weight (ASW) is .07234oz of pure silver.
An pre-1965 U.S. dime weighs 2.5 grams total. The silver content of pre-1965 dimes, quarters, halves, and silver dollars is 90% silver by weight, so there is 2.25 grams of silver in an unworn, uncirculated pre-1965 U.S. dime.
Beginning in1965, dimes were made without silver. Up to 1964, dimes were made of 90% silver. The nominal weight was 2.5 gm so 0.90 * 2.5 gm = 2.25 gm of pure silver.
Silver dimes were 90% silver with 10% copper and weigh 2.5 grams, which is 2.25 grams of silver.
It all depends on the year, how many were made, etc.
7-4-11>>> So many were made the value is for just the silver, about $2.00.
So many were made most are valued at the silver content only so about a dollar
It depends on the current price of silver. Old silver dimes contain about 1/14 of a troy ounce of silver, so if for example silver is $42/oz, a silver dime is worth about $3 so it would take 30 new dimes to buy an old one.
For a 1964 dime, only a "D" mintmark is possible, so many were made that value is just for the silver, about a dollar.
The value of a silver 1964 dime depends on its condition and rarity. However, its melt value is approximately $1.27 based on the current silver spot price. If the coin is in uncirculated or mint condition, it could be worth more to collectors.
So many were made the value is for just the silver, about $2.00.
6 denominations were in circulation and dated 1851: Dollar, Half dollar, Quarter, Dime, Half dime and the 3 cent piece.
There are approximately 90 silver dimes in a pound. Each silver dime weighs about 2.5 grams, and since there are about 453.6 grams in a pound, dividing that by the weight of a dime gives the approximate count. However, the exact number can vary slightly depending on the condition and wear of the coins.