Many countries have or had 20-cent coins. Among the major ones:
A silver fifty cent piece weighs about 12.5 grams.
A pre-1965 50 cent piece, which is made of 90% silver, weighs approximately 0.36169 troy ounces or 12.5 grams.
A 5 cent coin typically weighs about 5 grams.
A standard piece of notebook paper weighs about 4.5 grams.
A U.S. nickel, or 5c coin, weighs approximately 5.00 grams.
A silver fifty cent piece weighs about 12.5 grams.
5 grams
A pre-1965 50 cent piece, which is made of 90% silver, weighs approximately 0.36169 troy ounces or 12.5 grams.
The present 50 cent piece has a weight of 11.340 grams (0.365 troy ounce)
An Australian 50-cent coin weighs 15.55 grams.
A 5 cent coin typically weighs about 5 grams.
A standard piece of notebook paper weighs about 4.5 grams.
One cent (minted 1982-present) weighs 2.5 grams. 50 of them weigh 125 grams.
A U.S. nickel, or 5c coin, weighs approximately 5.00 grams.
A 20p coin weighs approximately 5 grams.
It depends on its density and the amount.
One modern (post-1982) US cent weighs 2.5 grams, so 4,000 pennies weigh 10,000 grams, or 10 kg.