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1 US liquid gallon = 231 cubic inches

(V)olume of cylinder = pi * r^2 * h

V = 4620000 in^3

h = 8 ft = 96 inches

r^2 = 4620000 / pi / 96 = 15318.66 in^2

r = 123.77 in = 10.31 ft

That's a very wide drum.

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14y ago

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