Helpful Equations

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Muzzle Energy

muzzle energy (ft/lbs) = (fps*fps*grains) / 450240

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Pressure

Bar to PSI

1 bar = 14.5038 psi

PSI to Bar

1 psi = 0.06895 bar

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Speed

Feet per Second (fps) to Metres per Second (m/s)

m/s = fps * 0.3048

Metres per Second (m/s) to Feet per Second (fps)

fps = m/s * 3.28084

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Weight

Grains (gr) to Grams (g)

g = gr * 0.0647989

Grams (g) to Grains (gr)

gr = g / 15.43240

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