Gunshot pellets may be made from different metals, which will have different densities.
diameter of pellet in inches =
= (factor for metal) * ((weight in grains)^(0.3333))
Metal
Density
Factor
lead
11.35 g/cc
0.08727
bismuth
9.75 g/cc
0.09180
steel
7.87 g/cc
0.09857
weight in grains =
= (((diameter of pellet in inches) / (factor for metal))^3)
where:
1 grain = 0.0648 grams
1 gram = 15.43 grains
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