2nd October 2019

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14

How much does a dollars worth of pennies weigh?

Pennies made after 1983 weigh 2.5 grams.
One pound of pennies weigh 453.6 grams.
It would take 181.4 pennies to equal one pound. Pennies made from 1959 to 1982 weigh 3.11 grams so it would take 145.7 pennies from this era to make a pound.

How much do 20 pennies weigh?

New, unused or uncirculated copper cents weigh about 3.11 grams each or about 145 copper pennies per pound. New zinc cents are much lighter and weigh only 2.5 grams each yielding about 180 zinc pennies in a pound. And there are about 80 uncirculated quarters in a pound.
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