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From mid-1864 to 1942 and from 1944 to mid-1982, US cents were struck in a bronze alloy consisting of 95% copper and varying fractions of tin and/or zinc.

1943 cents of course were struck in zinc-plated steel because of wartime copper shortages.

Compositions varied before 1864. Small cents were generally struck in an alloy of 88% copper and 12% nickel, while large cents were made of pure copper.

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How many 1982 pennies does it take to make a pound?

100 pennies = 1 pound.


Which is more dense a pre 1982 penny or a post?

8.869 grams per cubic centimeter approximately. Some 1982 pennies are made of bronze alloy (pre1982) and some are copper plated zinc (post 1982). The change was made at the beginning of 1982 after some pennies had already been struck.


What was the make-up of pennies before 1962?

Before 1962, U.S. pennies were primarily made of 95% copper and 5% tin and zinc. This composition gave them a distinctive reddish color. However, in 1962, the U.S. Mint began transitioning to a different alloy due to rising copper prices, leading to the introduction of the predominantly zinc-based pennies starting in 1982.


How many pennies add up to five pounds?

Are you talking about English pennies or U.S. cents? If you are talking about English pennies and values, £1 = 100p so you need 500 pennies to make £5. If you are talking about U.S. cents and weight, it depends on the coins' dates. Cents minted before 1982 weigh 3.11 gm and cents minted after weigh 2.50 gm. Cents minted during 1982 can weigh either amount. A pound is 453.6 gm so get out your calculator and go from there.


Why do pennies not have as much copper as they did in 1982?

The price of the copper to make the coin cost more than 1 cent.


What time period did they make copper pennies?

For US 1 cent coins: 1793 to 1942 and 1944 to 1982


How many pennies in a pound of copper?

145 pennies (pre 1982) 181 (1982 and beyond). 1982 and newer pennies contain mostly zinc and pre 1982 pennies are 95% copper. Some 1982 pennies are 95% copper but not all so if you're buying for copper content stick with pre 1982 to be on the safe side. The above mentioned is pennies in a pound. to figure out pennies "in a pound of copper you must multiply "for pre 1982" 145 X 95% "copper content. Since your 5% short of copper per penny you multiply 145 X 5% to get 7.25. Add 145 to 7.25 to get 152.25 pre 1982 pennies in a pound of copper.If you mean how many pennies can you make from one pound of copper the answer is:There is 2,5% copper in the penny (the rest is mostly zinc)so you need 40 pounds of pennies to have one pound of copper.Each penny weighs 0,080 troy ounces40 pounds is 583,33 troy ounces (see why I like the metric system?)583,3 / 0,8 = 7291.66...About 7293 pennies (almost seventy three dollars in pennies)(some will be used and have corroded if that makes a difference... I do not know)


How many prior 1981 us pennies does it take to make 100.00 worth of copper?

Prior to 1982, U.S. pennies were made of 95% copper. Each penny weighs 3.11 grams, so 100 pennies weigh about 311 grams. To obtain $100 worth of copper, you would need approximately 1,750 pre-1982 pennies, as the copper value is based on the current market price of copper.


How may pennies make a dollar?

100 pennies make $1.00 200 pennies make $2.00 and so on.


How many pennies make 3 trillion?

3 trillion pennies make 3 trillion pennies. 300 trillion pennies make 3 trillion dollars.


How many pennies does it take to make 1 million?

It takes a million pennies to make a million pennies. It takes one hundred million pennies to make a million dollars.


How many pennies make a nickel?

5 pennies make a nickel.