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594 S. Decatur Blvd.
Las Vegas, NV 89107

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Weights and Measures of U.S. and Select Foreign Coins

06/24/2026

Did you pass our test?

If you scanned the QR code from inside the scale we gave you at the Las Vegas coin show, did you find the error in our table?

40% silver Kennedy half dollars were introduced in 1965, not 1964.

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Table Key

Header

  • ASW = actual silver weight (expressed as a decimal equivalent of a Troy Ounce)
  • AGW = actual gold weight (expressed as a decimal equivalent of a Troy Ounce)
  • PMC = precious metal content ( expressed as a decimal equivalent of a Troy Ounce)

Colors

  • Blue: Silver coins
  • Pink: Base metal coins
  • Yellow: Gold coins
  • Light Gray: Platinum Coins

Key Disclaimers

***Diameter rounded to nearest tenth of a mm
***We have done our best to ensure that the information in this table is accurate. However, errors happen, if you find one, please let us know and we will be sure to correct it in this table.
***As the user, it is your responsibility to verify any and all information contained in this document should you choose to use it.

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US Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW / PMC
Half Cent Liberty Cap, Head Facing Left 1793 22 6.74
Half Cent (Thick Plan) 1794-1795 23.5 6.74
Half Cent (Thick Plan, Classic) 1795-1836 23.5 5.44
Half Cent (Braided) 1840-1857 23 5.44
Large Cent (Chain) 1793 26-27 13.48
Large Cent (Wreath) 1793 26-28 13.48
Large Cent Cap (Thick Plan) 1793-1795 29 13.48
Large Cent (Thin Plan-Lib Cap, Draped, Classic) 1795-1814 29 10.89
Large Cent (Coronet) 1816-1835 28-29 10.89
Large Cent (Young Head) 1835-1839 27.5 10.89
Large Cent (Braided) 1839-1857 27.5 10.89
Copper Small Cent (Flying Eagle, Indian) 1856-1864 19 4.67
Copper Small Cent (Indian, Lincoln) 1864-1982 19 3.11
Steel Small Cent (Lincoln) 1943 19 2.7
Zinc Small Cent (Lincoln) 1982-2025 19 2.5
Two Cent 1864-1873 23 6.22
Three Cent Silver (Type 1) 1851-1853 14 0.8 0.0193
Three Cent Silver (Type 2, Type 3) 1854-1873 14 0.75 0.0217
Three Cent Nickel 1865-1889 17.9 1.94
Five Cent Shield Nickel 1866-1883 20.5 5
Five Cent Nickel (V, Buffalo, Jefferson) 1883-Present 21.2 5
Five Cent Nickel (Silver War Nickel w/ Lg Mint Mark) 1942-1945 21.2 5
Half Disme 1792 16.5 1.35 0.0387
Bust Half Dime (Flowing, Draped) 1794-1805 16.5 1.35 0.0387
Bust Half Dime (Capped) 1829-1836 15.5 1.35 0.0387
Half Dime (Seated no stars, with Stars) 1837-1853 15.5 1.34 0.0388
Half Dime (Seated) 1853-1873 15.5 1.24 0.0359
Bust Dime (Draped) 1796-1807 19 2.7 0.0775
Dime (Capped Lg. Plan) 1809-1828 18.8 2.7 0.0775
Dime (Capped Sm. Plan) 1828-1837 18.5 2.7 0.0775
Dime (Seated No Stars, Obv. Stars) 1837-1853 17.9 2.67 0.0775
Dime (Seated) 1853-1873 17.9 2.49 0.0721
Dime (Seated, Barber, Mercury, Roosevelt) 1873-1964 17.9 2.5 0.0723
Dime (Roosevelt) 1965-Present 17.9 2.27
Twenty Cent 1875-1878 22 5 0.1447
Bust Quarter (Draped) 1796-1807 27.5 6.74 0.1934
Bust Quarter (Lg. Plan) 1815-1828 27 6.74 0.1934
Bust Quarter (Sm. Plan) 1831-1836 24.3 6.74 0.1934
Bust Quarter Sm. Plan) 1837-1838 24.3 6.68 0.1933
Quarter (Seated No Motto) 1838-1853 24.3 6.68 0.1933
Quarter (Seated) 1853-1873 24.3 6.22 0.18
Quarter (Seated, Barber, Standing, Washington) 1873-1964 24.3 6.25 0.1808
Quarter (Washington, State, ATB) 1965-Present 24.3 5.67
Half Dollar (Flowing, Draped, Capped Lettered) 1794-1836 32.5 13.48 0.3868
Half Dollar (Capped Reeded) 1836-1839 30 13.36 0.3866
Half Dollar (Seated no motto) 1839-1853 30.6 13.36 0.3866
Half Dollar (Seated ) 1853-1873 30.6 12.44 0.36
Half Dollar (Seated, Barber, Walking, Franklin, Kennedy) 1873-1964 30.6 12.5 0.3617
Half Dollar (40% silver) 1965-1970 30.6 11.5 0.1479
Half Dollar (Kennedy) 1971-Present 30.6 11.34
Silver Dollar (Flowing, Bust, Gobrecht) 1794-1839 39-40 26.96 0.7801
Silver Dollar (Seated, Morgan, Peace) 1840-1935 38.1 26.73 0.7734
Trade Dollar 1873-1885 38.1 27.22 0.7874
Clad Large Dollar (Eisenhower) 1971-1978 38.1 22.68
Clad Small Dollar (SBA, Sacagewea, Pres) 1979-Present 26.5 8.1
$1 Gold Type 1 1849-1854 13 1.672 0.0484
$1 Gold Type 2 1854-1856 15 1.672 0.484
$1 Gold Type 3 1859-1889 15 1.672 0.0484
$2.5 Gold (Draped, Capped) 1796-1808 20 4.37 0.1284
$2.5 (Capped) 1821-1827 18.5 4.37 0.1284
$2.5 (Capped Reduced) 1829-1834 18.2 4.37 0.1284
$2.5 (Classic) 1834-1839 18.2 4.18 0.1208
$2.5 Gold (Liberty, Indian) 1840-1929 18 4.18 0.121
$3 Gold 1854-1889 20.5 5.015 0.1451
$4 Gold 1879-1880 22 7 0.1929
$5 Gold (Capped, Draped) 1795-1829 25 8.75 0.2579
$5 Gold (Capped Reduced) 1829-1834 23.8 8.75 0.2579
$5 Gold (Classic Head, Liberty) 1834-1840 22.5 8.36 0.2417
$5 Gold (Liberty, Indian) 1841-1929 21.6 8.36 0.2419
$10 Gold (Draped) 1795-1804 33 17.5 0.5158
$10 Gold (Liberty, Indian) 1838-1933 27 16.718 0.4837
$20 Gold (Liberty, Saint) 1849-1933 34 33.436 0.9675

Australian Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW /PMC
3 Pence 1910 16 1.41 0.0419
3 Pence 1911-1936 16.1 1.32 0.0393
3 Pence 1938-1944 16 1.41 0.0419
3 Pence 1947-1964 16 1.41 0.0227
6 Pence 1910 19.5 2.83 0.0842
6 Pence 1911-1936 19.3 2.82 0.0839
6 Pence 1938-1945 19.4 2.83 0.0842
6 Pence 1946-1954 19.5 2.83 0.0455
6 Pence 1955-1963 19.4 2.83 0.0455
Shilling 1910 23.5 5.65 0.168
Shilling 1911-1936 24 5.45 0.1621
Shilling 1938-1944 24 5.65 0.168
Shilling 1946-1963 24 5.65 0.0908
Florin 1910-1945 28.5 11.31 0.3364
Florin 1946-1947 28.6 11.31 0.1818
Florin 1951-1963 28.5 11.31 0.1818
Crown 1937-1938 38 28.28 0.841
Half Sovereign 1901-1918 19 3.99 0.1178
Sovereign 1901-1931 21 7.99 0.2355

Austrian Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW / PMC
Corona 1901-1916 23 5 0.1342
2 Corona 1912-1913 27 10 0.2685
5 Corona 1907-1909 35 24 0.6945
10 Corona 1905-1912 19 3.39 0.098
20 Corona 1901-1918 21 6.78 0.196
100 Corona 1908-1915 37 33.88 0.9802
Ducat 1901-1915 19.6 3.49 0.1107
4 Ducat 1901-1915 39 13.96 0.4427
Thaler Restike 41 28.07 0.7517
20 Kronen 1923-1924 21 6.78 0.196
100 Kronen 1923-1924 37 33.88 0.9802

Canadian Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW / PMC
5 Cent Silver 1901-1911 15.5 1.16 0.0346
5 Cent Silver 1912-1919 15.5 1.13 0.0336
5 Cent Silver 1920-1921 15.5 1.17 0.03
10 Cents 1901-1910 18 2.32 0.0691
10 Cents 1911 23.5 2.32 0.0691
10 Cents 1912-1919 17.8 2.32 0.0691
10 Cents 1920-1936 17.9 2.33 0.06
10 Cents 1937-1952 18 2.33 0.06
10 Cents 1953-1964 18 2.31 0.0599
10 Cents (.800 fine) 1965-1967 18 2.33 0.06
10 Cents (.500 fine) 1967-1968 18 2.33 0.0375
25 Cents 1901 23.9 5.81 0.1728
25 Cents 1902-1911 23.4 5.81 0.1734
25 Cents 1912-1919 23.5 5.83 0.1734
25 Cents 1920-1952 23.5 5.83 0.15
25 Cents (.800 fine) 1953-1967 23.8 5.83 0.15
25 Cents (.500 fine) 1967-1968 23.8 5.83 0.0937
50 Cents 1901-1919 29.7 11.62 0.3456
50 Cents 1920-1967 29.7 11.66 0.3
Dollar 1935-1967 36 23.33 0.6
Sovereign 1908-1919 21 7.99 0.2355
$5.00 Gold 1911-1914 21.6 8.36 0.2419
$10 Gold 1912-1914 26.9 16.72 0.4838
Silver Maple Leaf 1988-Present 38 31.1 1
1/20th Gold Maple 13.9 1.56 0.05
1/10th oz Gold Maple 1982-Present 16 3.12 0.1
1/4 oz Gold Maple 1982-Present 20 7.79 0.25
1/2 oz Gold Maple 1986-Present 25 15.55 0.5
1 oz Gold Maple 1979-Present 30 31.1 1
1/20th oz Platinum Maple 1993-2002 14.1 1.56 0.05
1/10th oz Platinum Maple 1988-1995, 1999, 2002 16 3.12 0.1
1/4 oz Platinum Maple 1988-2002 20 7.79 0.25
1/2 oz Platinum Maple 1988-2002 25 15.55 0.5
1 oz Platinum Maple 1988-2002, 2009-Present 30 31.1 1

French Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW / PMC
50 Centimes 1901-1920 18.1 2.5 0.0671
1 Franc 1901-1920 23 5 0.1342
2 Francs 1901-1920 27 10 0.2685
10 Francs Silver 1929-1939 28 10 0.2186
20 Francs Silver 1929-1939 35 20 0.4372
50 Francs Silver 1974-1980 41 30 0.8681
10 Francs Gold 1901-1914 3.23 0.0933
20 Francs Gold 1901-1914 6.45 0.1867
50 Francs Gold 1904 16.13 0.4667
100 Francs Gold 1901-1914 32.26 0.9334

Great Britain Coins

Coin Type Years Diameter (mm) Weight (g) AGW / ASW / PMC
3 Pence 1901 16 1.41 0.042
3 Pence 1902-1904 16.1 1.3 0.0387
3 Pence 1904-1920 16 1.41 0.042
3 Pence 1920-1926 16.1 1.41 0.0227
3 Pence 1926-1945 16 1.41 0.0227
6 Pence 1901 19.5 2.83 0.0841
6 Pence 1902-1910 19.5 3.01 0.0895
6 Pence 1911-1920 19.5 2.83 0.0841
6 Pence 1920-1946 19.5 2.83 0.0455
Shilling 1901-1919 23.5 5.66 0.1682
Shilling 1920-1946 23.5 5.66 0.0909
Florin 1901-1919 28.3 11.31 0.3364
Florin 1920-1946 28.3 11.31 0.1818
Half Crown 1901-1919 32.3 14.14 0.4205
Half Crown 1920-1946 32.3 14.14 0.2273
Crown 1902 38.6 28.28 0.8409
Crown 1927-1937 38.6 28.28 0.4545
1/2 Sovereign 1901-1937 3.99 0.1178
1/2 Sovereign 1980-Present 3.99 0.1176
Sovereign 1901- Present 7.99 0.2355
2 Pound 1902-1937 15.98 0.471
2 Pound 1980-Present 15.92 0.4694
5 Pounds 1902-Present 39.94 1.1775