15.438 grams.
No 1964 silver quarter should have a copper layer and they all should be 90% silver, although it is possible that your quarter has tarnished or toned odd and just appeared to look non-silver. Both copper-nickel clad and silver quarters were produced in the mid-1960s with the clad ones being dated 1965 and later while the silver ones were dated 1964, so theoretically it could be struck on a copper-nickel planchet. I would weigh the coin, a silver one should weigh about 6.25 grams (naturally a worn quarter would weigh less) while a copper-nickel one should weigh much less, about 5.67 grams.
A 1997 quarter, like all U.S. quarters minted since 1965, weighs 5.67 grams. This weight applies to both the clad quarters made of a copper-nickel composition and the earlier silver quarters. The dimensions and weight have remained consistent for these coins over the years.
34 pounds
An ounce is a measure of mass, not weight. A quarter weighs 6.4 ounce-weight.
gram
According to the US Mint, the quarter is the heaviest at 5.67 gm. Nickels are next at 5.00 gm, and modern cents weigh 2.5 gm.
penny, nickel, dime, quarter. That wasn't so difficult now, was it?
A nickel is exactly twice as heavy as a penny.
It shouldn't. Old silver quarters weigh 5.83 grams, nickel quarters weigh 5.05 grams, and modern steel quarters weigh 4.4 grams.
A nickel weighs the most.The US mint lists the weights of current circulating coins:Dime - 2.27 gmCent - 2.5 gmNickel - 5.0 gm
Penny - 2.5 gm (1982 and later); 3.11 gm before that Nickel - 5.00 gm Dime - 2.27 gm Quarter - 5.67 gm Half dollar - 11.34 gm (1971 and later) "Golden" dollar - 8.1 gm
In unworn condition, 6.25 gm. Current copper-nickel quarters weigh 5.67 gm.
No 1964 silver quarter should have a copper layer and they all should be 90% silver, although it is possible that your quarter has tarnished or toned odd and just appeared to look non-silver. Both copper-nickel clad and silver quarters were produced in the mid-1960s with the clad ones being dated 1965 and later while the silver ones were dated 1964, so theoretically it could be struck on a copper-nickel planchet. I would weigh the coin, a silver one should weigh about 6.25 grams (naturally a worn quarter would weigh less) while a copper-nickel one should weigh much less, about 5.67 grams.
A quarter of a pound.
1000 pennies would weigh approximately 2.5 pounds.
Some of the larger Quarter Horses can weigh 1200 lbs. and up.
All U.S. nickels weigh 5 grams.