US Coin Sizes in mm
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What is the diameter of a quarter? The U.S. Quarter minted in various types since 1828 is 24.26mm or .955 inches in diameter and can all be protected and stored in various methods of coin storage shown here.
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What is the diameter of a dime? The U.S. Dime minted in various types since 1829 is 17.91mm or .705 inches in diameter and can all be protected and stored in various methods of coin storage shown here.
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What is the diameter of a nickel? The U.S. Nickel minted in various types since 1883 is 21.21 mm or .835 inches in diameter and can all be protected and stored in various methods of coin storage shown here.
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What is the diameter of a penny? The U.S. Penny minted in various types since 1858 is 19.05mm or .75 inches in diameter and can all be protected and stored in various methods of coin storage shown here.
As always, please remember to measure your actual coin with a coin caliper (digital or brass version) to ensure that you get the perfect fit in a SAFE airtight coin capsule, page or coin case. Or alternatively, you could also print our new handy coin template and lay your coin directly on the sheet to get the proper size. The following chart provides estimates of popular coinage for your convenience.
Please also take a look at our new US Coin Reference Chart sorted by Face Value for our Coin Cases or take a look at our wide variety of coin cases and other coin collecting supplies available.
United States and other countries common coin sizes below
| Coin Diameter ( US Coin Sizes) |
Coin Type |
| 13.2mm – Coin Capsules Box of 25 | Gold $1 (Type 1) |
| 14mm – Coin Capsules Box of 25 | Silver Three Cent |
| 15mm – Coin Capsules Box of 25 | Half Dimes 1829 ~ 1873, Commemorative Gold $1, Gold $1 (1854 ~ 1889 Type 2 & 3) |
| 16mm – Coin Capsules Box of 25 | Half Dime 1794 ~ 1805 |
| 16.5mm – Coin Capsules Box of 25 | American Eagle $5 Gold, 1/10 oz. $10 Platinum Eagle, Half Dime 1794 ~ 1805 |
| 17.9mm – Coin Capsules Box of 25 | US Dimes (1829 ~ present), Nickel Three Cent, Gold $2 1/2 (1840 ~ 1929) |
| 18.2mm – Coin Capsules Box of 25 | Gold $2 1/2 Capped Head to Left (reduced diameter) 1834 ~ 1839 |
| 18.5mm – Coin Capsules Box of 25 | Gold $2 1/2 Capped Head to Left 1829 ~ 1834 |
| 19.05mm – Coin Capsules Box of 25 | US Penny US Cents 1858 ~ present, Bust Dime 1796 ~ 1828 |
| 20mm – Coin Capsules Box of 25 | Shield Nickel, Gold $2 1/2 (1796 ~ 1828), $3 Gold |
| 21.2mm – Coin Capsules Box of 25 | US Nickels, Jefferson Nickels Liberty, and Buffalo Nickels |
| 21.6mm – Coin Capsules Box of 25 | $5 Gold 1840 ~ 1929 |
| 22mm – Coin Capsules Box of 25 | ¼ oz. American Eagle $10 Gold, ¼ oz. $25 Platinum Eagle, Half Cent Liberty Cap 1793, 20 Cent Piece (1875 ~ 1878), $4 Gold Stella |
| 22.5mm – Coin Capsules Box of 25 | $5 Gold 1834 ~ 1840 |
| 23mm – Coin Capsules Box of 25 | Half Cents 1794 ~ 1857, Two Cent |
| 23.8mm – Coin Capsules Box of 25 | $5 Gold 1829 – 1834 |
| 24.3mm – Coin Capsules Box of 25 | US Quarters 1828 ~ present |
| 25mm – Coin Capsules Box of 25 | $5 Gold (1795 ~ 1829) |
| 26.49mm – Coin Capsules Box of 25 | US Dollars (Susan B. Anthony Dollar, Sacagawea Dollar, Presidential Dollar, First Spouse Gold, Lg. Cent Chain, Lg. Cent Wreath |
| 27mm – Coin Capsules Box of 25 | ½ oz. American Eagle $25 Gold, ½ oz. $50 Platinum Eagle, Large Cent Chain, Lg. Cent Cornet (1837 ~ 1857), Quarters (1796 ~ 1828), $10 Gold (1838 ~ 1933) |
| 28mm – Coin Capsules Box of 25 | Lg. Cent Wreath, Lg. Cent Cornet (1816 ~ 1836) |
| 29mm – Coin Capsules Box of 25 | Lg. Cent Lib. Cap (1793 ~ 1796), Lg. Cent Bust (1796 ~ 1807), Lg. Cent Classic (1808 ~ 1814), Lg. Cent Cornet (1816 ~ 1836) |
| 30.6mm – Coin Capsules Box of 25 | US Half Dollars 1837 ~ present |
| 32.7mm – Coin Capsules Box of 25 | 1 oz. Gold Eagle $50, 1 oz. Gold Buffalo, 1 oz. $100 Platinum Eagle, US Half Dollars (1794 ~ 1836), 1/2 oz. Silver Rounds, 1/2 oz. Liberty Dollar |
| 33mm – Coin Capsules Box of 25 | Gold $10 (1795 ~ 1804), First Spouse Bronze Coin |
| 34mm – Coin Capsules Box of 25 | St. Gaudens Gold $20 |
| 37mm – Coin Capsules Box of 25 | $7 Silver Strike |
| 38.1mm – Coin Capsules Box of 25 | Morgan Dollar, Peace Dollars, Eisenhower, Liberty Seated, Trade, Eisenhower Dollars & Modern 1 oz. Silver Commemoratives |
| 39mm – Coin Capsules Box of 25 | 1 oz. Silver Rounds (Christmas, etc.), 1 oz. Copper Rounds, US Dollars (1794 ~ 1839 measure to make sure), Standard Casino Chips |
| 40.6mm – Coin Capsules Box of 25 | American Silver Eagle (ASE) Dollar, US Silver Dollars (1794 ~ 1839 measure to make sure), Commemorative Gold $50, 1 oz. Silver Buffalo |
| 42 mm – Coin Capsules Box of 25 | Various Casino Tokens & Chips |
| 43.6mm – Coin Capsules Box of 25 | For Casino $10 Silver Strikes or Coins/Medals up to 44 mm. |
| Other Countries in Alphabetical Order | |
| Australian Coin Size Chart | |
| Coin Diameter | Coin Type |
| 14.1mm | 1/20 oz. Lunar Gold Series 1, 1/20 oz. Gold Nugget |
| 16mm | Three Pence, 1/10 oz. Koala, 1/10 oz. Gold Nugget |
| 16.1mm | 1/10 oz. Lunar Gold Series 1 |
| 19mm | Six Pence, 1/10 oz Lunar Gold Series 2 |
| 20mm | 1/4 oz Gold Nugget, $2.00 Australian, 1/4 oz. Koala |
| 20.1mm | 1/4 oz. Lunar Gold Series 1, 1/4 oz. Gold Nugget |
| 20.6mm | 1/10 oz. Silver Koala |
| 22.5mm | 1/4 oz Lunar Gold Series 2 |
| 24mm | Schilling |
| 25mm | 1/2 oz. Koala, 1/2 oz. Gold Nugget, $1.00 Australian, 1/2 oz. Lunar Gold |
| 28mm | 1 oz Koala Gold |
| 31mm | Penny |
| 32mm | 1 oz. Gold Kangaroo, 1/2 oz Silver Koala, 1 oz. Lunar Gold (Series 1) |
| 32.6mm | 1 oz. Australian Platinum Platypus |
| 32.6mm | Lunar Silver Series II High Relief Coin |
| 36.6mm | Silver Lunar (Series I) |
| 39mm | 1 oz Lunar Gold Series 2 |
| 40.4mm | 2 oz. Kangaroo Gold, 2 oz. Gold Nugget |
| 40.6mm | 1 oz. Silver Lunar (Series 1), 1 oz. Silver Koala & Silver Kookaburra, 2 oz Koala Gold |
| 45mm | 1 oz. Silver Lunar (Series 2) |
| 50.3mm | 2 oz. Silver Lunar (Series 1) |
| 55.6mm | 2 oz. Silver Lunar (Series 2) |
| 53.3mm | 2 oz. Silver Kookaburra |
| 59.7mm | 10 oz. Gold Nugget |
| 60.3mm | 5 oz. Silver Lunar (Series 1) |
| 76mm | 10 oz. Silver Lunar (Series 1) |
| Austrian Coin Size Chart | |
| Coin Diameter | Coin Type |
| 16mm | 1/10 oz. Philharmonic Gold |
| 19.75mm | 1 Ducat |
| 22mm | 1/4 oz. Philharmonic Gold |
| 28mm | 1/2 oz. Philharmonic Gold |
| 37.1mm | 100 Corona Gold |
| 37mm | 1 oz. Philharmonic Gold, 1 oz. Philharmonic Silver |
| 40mm | 4 Ducat |
| Bahamas Coin Size Chart | |
| Coin Diameter | Coin Type |
| 17mm | 1 Cent |
| 21mm | 5 Cents |
| 21.5mm | 15 Cents |
| 23.5mm | 10 Cents |
| 24.26mm | 25 Cents |
| Barbados Coin Size Chart | |
| Coin Diameter | Coin Type |
| 19mm | 1 Cent |
| 17.7mm | 10 Cents |
| 20.98mm | 5 Cents |
| 23mm | 25 Cents (1973 – 2007) |
| 25.6mm | 25 Cents (2008 – 2012) |
| 27.8mm | 1 Dollar (1973 – 1986) |
| 25.85mm | 1 Dollar (1988 – 2008) |
| 37mm | 2 Dollar (1973 – 1984) |
| 38.5mm | 4 Dollar (1970) |
| 40mm | 5 Dollar (1973 – 1984) |
| 39mm | 25 Dollar (1973 – 1983) |
| British Coin Size Chart | |
| Coin Diameter | Coin Type |
| 16.5mm | 1/10 oz. Gold Brittania, 1/10 oz. Gold Sovereign |
| 16.5mm | 1/10 oz. Silver Brittania |
| 19.2mm | 1/2 oz. Gold Sovereign |
| 20mm | Farthing |
| 22mm | 1/4 oz. Gold Brittania, 1/4 oz. Gold Sovereign |
| 22mm | 1/4 oz. Silver Brittania |
| 22mm | 1£ |
| 24mm | 1 Shilling |
| 25mm | 1/2 Penny |
| 27mm | 1/2 oz. Gold Brittania, 1/2 oz. Gold Sovereign |
| 27mm | 1/2 oz. Silver Brittania |
| 28mm | 2£, 2 Shilling |
| 31mm | Penny |
| 32mm | British (and Irish) Silver Half Crown |
| 32.7mm | 1 oz. Gold Brittania, 1 oz. Gold Sovereign |
| 38mm | Churchill Dollar |
| 38.6mm | 1 oz. Silver Brittanias (2013 only) |
| 40mm | 1 oz. Silver Brittanias (includes 2012 £2 coin) |
| Canadian Coin Size Chart | |
| Coin Diameter | Coin Type |
| Circulating Coins | |
| 25.4mm | One Cent (1908 ~ 1920) |
| 19mm | One Cent (1920 ~ present) |
| 14.49mm | Five Cent (1908 ~ 1921) |
| 21mm | Five Cent (1922 ~ present) |
| 18.03mm | Ten Cent (1908 ~ present) |
| 23.62mm | Twenty-Five Cent (1908 ~ 1952) |
| 23.88mm | Twenty-Five Cent (1953 ~ present) |
| 29.72mm | Fifty Cent (1908 ~ 1967) |
| 27.13mm | Fifty Cent (1968 ~ present) |
| 26mm | $1.00 Loonie |
| 36.06mm | One Dollar (1935 ~ 1967) |
| 32.13mm | One Dollar (1968 ~ 1986) |
| 26.72mm | One Dollar (1987) |
| 26.5mm | One Dollar (1988 ~ Present) |
| 28mm | Two Dollar (1996 ~ Present) |
| Canadian Gold & Silver Coins | |
| 14.1mm | 1/20 oz. Gold Maple Leaf |
| 16mm | 1/10 oz. Gold Maple Leaf |
| 20mm | 1/4 oz. Gold Maple Leaf |
| 25mm | 1/2 oz. Gold Maple Leaf |
| 28mm | $2.00 Canadian |
| 30mm | 1 oz. Gold Maple Leaf |
| 30mm | 1 oz. Platinum Maple Leaf |
| 16mm | 1/20 oz. Silver Maple Leaf |
| 20mm | 1/10 oz. Silver Maple Leaf |
| 27mm | 1/4 oz. Silver Maple Leaf |
| 33mm | 1 oz. Palladium Maple Leaf |
| 34mm | 1/2 oz. Silver Maple Leaf, 1/2 oz. $1 Silver Wolf |
| 38mm | 1 oz. Silver Maple Leaf |
| 38mm | 1 oz. Sterling Silver Maple Leaf |
| 38mm | $5 Canadian Wildlife Series Silver |
| 38mm | $5 Canadian Birds of Prey Series Silver (Peregrine Falcon) |
| 38mm | 1 oz. Silver Canadian Maple Leaf Crystal Raindrop |
| 38mm | $8 1.5 oz Silver Canadian $8 Polar Bear |
| 45mm | $10 Canada |
| China Coin Size Chart | |
| Coin Diameter | Coin Type |
| 13.9mm | 1/20 oz. Gold Panda |
| 17.9mm | 1/10 oz. Gold Panda |
| 19mm | 1/10 oz. Panda-Sterling |
| 21.9mm | 1/4 oz. Gold Panda |
| 26mm | 1/4 oz. Panda-Sterling |
| 27mm | 1/2 oz. Gold Panda |
| 31mm | 1/2 oz. Panda-Sterling |
| 32.05mm | 1 oz. Gold Panda |
| 40mm | 1 oz. Panda-Sterling |
| Euro Coin Size Chart | |
| Coin Diameter | Coin Type |
| 16.25mm | Cent |
| 18.75mm | Two Cent |
| 21.25mm | Five Cent |
| 19.75mm | Ten Cent |
| 22.25mm | Twenty Cent |
| 24.25mm | Fifty Cent |
| 23.25mm | One Euro |
| 25.75mm | Two Euro |
| 29mm | Ten Euro (Hercules) |
| Fiji Coin Size Chart | |
| Coin Diameter | Coin Type |
| 32.5mm | Fiji Taku 1/2 oz Silver |
| 40.5mm | Fiji Taku 1 oz Silver |
| 64mm | Fiji Taku 5 oz Silver |
| Germany Coin Size Chart | |
| Coin Diameter | Coin Type |
| Nazi Germany Third Reich Coins | |
| 17mm | 1 Reichspfennig |
| 20mm | 2 Reichspfennig |
| 18mm | 5 Reichspfennig |
| 21.5mm | 10 Reichspfennig |
| 22.5mm | 50 Reichspfennig |
| 24mm | 1 DM Gold |
| 25mm | 2 Reichsmark |
| 29mm | 5 Reichsmark |
| 33mm | 10 DM Reichsmark |
| Modern German Coins | |
| 39mm | 1oz. Silver Somalian African Elephant |
| Israeli Coin Size Chart | |
| Coin Diameter | Coin Type |
| 17mm | 1 Agora |
| 19.5mm | 5 Agorot |
| 22mm | 10 Agorot |
| 26mm | ½ New Sheqel |
| 18mm | 1 New Sheqal |
| 21.6mm | 2 New Sheqalim |
| 24mm | 5 New Sheqalim |
| 23mm | 10 New Sheqalim |
| Mexican Coin Size Chart | |
| Coin Diameter | Coin Type |
| 10mm | Maximillian |
| 12.85mm | 2 Peso Gold |
| 13mm | 1/20 oz. Gold Libertad |
| 16mm | 2.5 Peso Gold |
| 16mm | 1/20 oz. Silver Libertad |
| 16mm | 1/10 oz. Gold Libertad |
| 19mm | 5 Peso Gold |
| 20mm | 1/10 oz. Silver Libertad |
| 22mm | 10 Peso Gold |
| 23mm | 1/4 oz. Gold Libertad |
| 27mm | 1/4 oz. Silver Libertad |
| 27mm | 20 Peso Gold |
| 29mm | 1/2 oz. Gold Libertad |
| 33mm | 1/2 oz. Silver Libertad |
| 34.5mm | 1 oz. Gold Libertad, 1 Peso Silver 1957 ~ 1967 |
| 36mm | 1 oz. Silver Libertad 1982 – 1995 |
| 37mm | 50 Peso Gold |
| 40mm | 1 oz. Silver Libertad 1996-date, 100 Peso, 5 Peso Silver, 8 Spanish Reale (Pieces of Eight) |
| 48mm | 2 oz. Silver Libertad |
| 65mm | 5 oz. Silver Libertad |
| Russian Coin Size Chart | |
| Coin Diameter | Coin Type |
| 15.5mm | 1 Kopek |
| 18.5mm | 5 Kopeks |
| 17.5mm | 10 Kopeks |
| 19.5mm | 50 Kopeks |
| 20.5mm | 1 Ruble |
| 23mm | 2 Rubles |
| 25mm | 5 Rubles |
| 22mm | 10 Rubles |
| 37mm | 1 oz Palladium Russian Ballerina |
| Russian Gold Coins | |
| 18.5mm | 5 Rubles Gold (Nicholas II) |
| 22mm | 10 Rubles Gold (Nicholas II) |
| South African Coin Size Chart | |
| Coin Diameter | Coin Type |
| 16.5mm | 1/10 oz. Gold Krugerrand |
| 19mm | 1 Rand |
| 22.5mm | 1/4 oz. Gold Krugerrand |
| 22mm | 2 Rand |
| 26mm | 5 Rand |
| 27mm | 1/2 oz. Gold Krugerrand |
| 33mm | 1 oz. Gold Krugerrand |