Coin Size | Fraction IN | Decimal IN | MM | 10K | 14K | 18K | Platinum | Palladium | 14/20 GF Single/Double Clad | Silver |
1/8 | 0.125 | 3.1 | 0.06 | 0.07 | 0.08 | 0.11 | 0.06 | 0.002 | 0.003 | |
3/16 | 0.188 | 4.8 | 0.13 | 0.15 | 0.18 | 0.25 | 0.14 | 0.005 | 0.006 | |
1/4 | 0.250 | 6.4 | 0.24 | 0.27 | 0.32 | 0.44 | 0.25 | 0.009 | 0.011 | |
5/16 | 0.313 | 7.8 | 0.38 | 0.43 | 0.51 | 0.70 | 0.39 | 0.015 | 0.017 | |
3/8 | 0.375 | 9.5 | 0.54 | 0.61 | 0.73 | 1.00 | 0.56 | 0.021 | 0.024 | |
7/16 | 0.438 | 10.9 | 0.74 | 0.84 | 1.00 | 1.37 | 0.77 | 0.028 | 0.033 | |
1/2 | 0.500 | 12.7 | 0.96 | 1.08 | 1.29 | 1.78 | 0.99 | 0.037 | 0.043 | |
17/32 | 0.531 | 13.3 | 1.09 | 1.23 | 1.47 | 2.02 | 1.13 | 0.042 | 0.048 | |
9/16 | 0.562 | 14.3 | 1.21 | 1.37 | 1.63 | 2.25 | 1.26 | 0.047 | 0.054 | |
5/8 | 0.625 | 15.9 | 1.50 | 1.69 | 2.02 | 2.77 | 1.55 | 0.058 | 0.067 | |
Dime | 11/16 | 0.687 | 17.4 | 1.81 | 2.04 | 2.44 | 3.36 | 1.88 | 0.070 | 0.081 |
Penny | 3/4 | 0.750 | 19.1 | 2.15 | 2.43 | 2.90 | 3.99 | 2.23 | 0.083 | 0.096 |
Nickel | 13/16 | 0.812 | 20.6 | 2.53 | 2.86 | 3.41 | 4.69 | 2.62 | 0.098 | 0.113 |
7/8 | 0.875 | 22.2 | 2.93 | 3.31 | 3.95 | 5.44 | 3.04 | 0.113 | 0.131 | |
Quarter | 1 | 1.000 | 25.4 | 3.83 | 4.33 | 5.16 | 7.10 | 3.97 | 0.148 | 0.172 |
1 1/8 | 1.125 | 28.6 | 4.85 | 5.48 | 6.53 | 8.99 | 5.03 | 0.187 | 0.217 | |
1 3/16 | 1.187 | 30.1 | 5.40 | 6.10 | 7.28 | 10.01 | 5.60 | 0.209 | 0.242 | |
Half Dollar | 1 1/4 | 1.250 | 31.8 | 5.98 | 6.76 | 8.06 | 11.09 | 6.21 | 0.231 | 0.268 |
1 3/8 | 1.375 | 34.9 | 7.24 | 8.18 | 9.75 | 13.42 | 7.51 | 0.280 | 0.324 | |
Dollar | 1 1/2 | 1.500 | 38.1 | 8.62 | 9.73 | 11.61 | 15.98 | 8.94 | 0.333 | 0.386 |
1 5/8 | 1.625 | 41.3 | 10.11 | 11.42 | 13.62 | 18.75 | 10.49 | 0.391 | 0.453 | |
1 3/4 | 1.750 | 44.5 | 11.73 | 13.25 | 15.80 | 21.75 | 12.16 | 0.454 | 0.525 | |
2 | 2.000 | 50.8 | 15.32 | 17.3 | 20.64 | 28.40 | 15.89 | 0.592 | 0.686 |