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The US mint lists the mass of a clean, current (2012) penny as 2.5 grams.
I'll spare you all the unit conversions and just blurt out the answer.
(Just because I have to do all that work, why should you suffer ? !)
At 2.5 grams per penny, you'd need 182 of them to weigh one pound.
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∙ 11y ago
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How many new pennies make a pound of copper?
One modern cent weighs 2.5 grams and contains 2.5% copper, which is 0.0625 grams or about 0.000138 lbs of copper per penny. To get one full pound of copper, it would take 7,246 pennies.
How many pennies does it take to make a nickel?
5 pennies
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 1982 pennies does it take to make a pound?
100 pennies = 1 pound.
How many pennies does it take to make 1000000?
5,000,000
How many copper pennies does it take to make a pound?
In 1 pound of pre-1982 copper pennies, there are approx 448 grams of weight. Knowing that a copper pre-82 penny weighs 3.11 grams, simply divide the approx 448 grams in 1 pound by the individual penny weight of 3.11grams. The answer to"how many copper pennies does it take to make a pound" is this.It would take 144.05144 copper pennies to weight 1 pound........give or take a couple.One copper cent weighs 3.11 grams, and one pound is 453.59 grams. Do the math, and it comes out to 146 copper cents per pound.
How many new pennies make a pound of copper?
One modern cent weighs 2.5 grams and contains 2.5% copper, which is 0.0625 grams or about 0.000138 lbs of copper per penny. To get one full pound of copper, it would take 7,246 pennies.
How many pennies does it take to make a nickel?
5 pennies
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 1982 pennies does it take to make a pound?
100 pennies = 1 pound.
How many pennies does it take to make 1000000?
5,000,000
How many dollars is 1225000 pennies?
Since 100 pennies make a dollar you take 1225000 pennies make 12250. You just divide by 100.
When you hit age 13 how long it take for your pennies to grow?
pennies are made of copper and are not living and cannot grow.
How many pennies does it take to make a thousand dollars?
100 000.
How many pennies does it take to make 5 grams?
(Modern) Pennies on average way approximately 2 grams. So 2.5 pennies would make approximately 5 grams.
How many pennies make 1 million dollars. How long does it take to save a million dollars in pennies.?
100 million
How many pennies does it take to make 150 dollars?
15000 penies
