UK coin weights: how much does a pound coin weigh?
A pound coin weighs 8.75 grams. Here is every UK coin in circulation, with the gold and silver bullion coins.
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Coins in circulation
| Coin | Weight | Diameter | Metal |
|---|---|---|---|
| 1p | 3.56 g | 20.3 mm | Copper-plated steel |
| 2p | 7.12 g | 25.9 mm | Copper-plated steel |
| 5p | 3.25 g | 18.0 mm | Nickel-plated steel |
| 10p | 6.50 g | 24.5 mm | Nickel-plated steel |
| 20p | 5.00 g | 21.4 mm | Cupro-nickel |
| 50p | 8.00 g | 27.3 mm | Cupro-nickel |
| £1 (12-sided, from 2017) | 8.75 g | 23.4 mm | Bi-metallic |
| £1 (round, 1983 to 2016) | 9.50 g | 22.5 mm | Nickel-brass |
| £2 | 12.00 g | 28.4 mm | Bi-metallic |
Weights are Royal Mint specifications for new coins. Worn coins weigh a little less.
Gold and silver coins
| Coin | Weight | Purity | Metal content |
|---|---|---|---|
| Gold sovereign | 7.99 g | 22 carat | 7.32 g fine gold |
| Half sovereign | 3.99 g | 22 carat | 3.66 g fine gold |
| Gold Britannia 1 oz (from 2013) | 31.21 g | 999.9 fine | 31.10 g fine gold |
| Gold Britannia 1 oz (1987 to 2012) | 34.05 g | 22 carat | 31.10 g fine gold |
| Krugerrand 1 oz | 33.93 g | 22 carat | 31.10 g fine gold |
| Silver Britannia 1 oz (from 2013) | 31.21 g | 999 fine | 31.10 g fine silver |
A 22 carat coin weighs more than its gold content because of the copper alloyed with it. To convert between grams and troy ounces, use the ounces to grams converter.
Checking a gold coin by weight
Weight is the first test of a gold coin. A sovereign that weighs well under 7.98 grams, or is the right weight but too thick or too wide, needs a closer look. Read sovereign values by year or see how to sell gold coins.
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Coin weights: questions
How much does a pound coin weigh?
The 12-sided pound coin, in use since 2017, weighs 8.75 grams. The old round pound weighed 9.5 grams.
How much does a 50p coin weigh?
A 50p coin weighs 8 grams. The larger 50p issued before 1997 weighed 13.5 grams.
How much does a two pound coin weigh?
A bi-metallic two pound coin weighs 12 grams.
How much does a 2p coin weigh?
A 2p coin weighs 7.12 grams, exactly twice the 3.56 grams of a 1p.
How much does a gold sovereign weigh?
A sovereign weighs 7.99 grams and is 22 carat, so it contains 7.32 grams of fine gold.
How much does a 10p coin weigh?
A 10p coin weighs 6.5 grams, and a 5p weighs 3.25 grams.
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