A quarter weighs 5.67 grams. So five clad quarters would equal one standard ounce.
U.S. quarters minted before 1965 weighed 6.25 grams and contain 90% silver, which comes out to 5.625 grams of silver per coin. One ounce is about 28.35 grams, so it would take five quarters to get one ounce (5.04 coins, to be more exact).
For modern U.S. quarters like you find in change, none. They don't contain any silver - they're made of copper and nickel. For quarters dated 1964 and earlier, each one contains 5.625 gm of pure silver, almost exactly 1/5 of an ounce. So 5 old quarters contain a total of 1 oz of silver.
if a silver dollar is 90% silver it would take 1 and 1/10th silver dollars to make an ounce of silver
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A quarter weighs 5.67 grams. So five clad quarters would equal one standard ounce.
US quarters weigh 6.25 grams and of that there is 0.18084 oz of silver.
U.S. quarters minted before 1965 weighed 6.25 grams and contain 90% silver, which comes out to 5.625 grams of silver per coin. One ounce is about 28.35 grams, so it would take five quarters to get one ounce (5.04 coins, to be more exact).
US silver quarters weighed 6.25 gm. If you're referring to standard American weights, 1 ounce is 28.35 gm so it would take just under 5 quarters to equal an ounce. If you're referring to silver weight, the coins were 90% silver (i.e. 5.625 gm of pure metal) and a troy ounce is about 31.1 gm so you'd need about 5½ quarters to yield a troy ounce of silver.
Silver & gold are weighed by the Troy ounce which is 31.1 grams.
For modern U.S. quarters like you find in change, none. They don't contain any silver - they're made of copper and nickel. For quarters dated 1964 and earlier, each one contains 5.625 gm of pure silver, almost exactly 1/5 of an ounce. So 5 old quarters contain a total of 1 oz of silver.
1 ounce = 28.3495231 grams quarter weighs 5.670 grams 28.3495231 divided by 5.670 grams = 4.99991590652557319 Therefore, four quarters would just be under one ounce and five quarters would be just over one ounce. Actually, there are almost exactly five modern US nickel-plated copper quarters in one ounce. The modern quarter, aka the Johnson sandwich, after Landslide Lyndon, during whose administration the debased copper coin replaced the silver quarter, weighs 5.670 grams. According to Google,
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if a silver dollar is 90% silver it would take 1 and 1/10th silver dollars to make an ounce of silver
There are 4 quarters in an ounce. Each quarter weighs approximately 0.25 ounces.
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