March 2015

Measure the inside diameter of the drum in inches

Divide it by 2 to get the radius

Multiply the radius by itself (r squared)

Multiply that answer by 3.142 (pi)

Multiply that answer by the depth of the drum - again in inches.

The result is the capacity in cubic inches.

Divide this figure by 1728 (12x12x12) to get the capacity in Cubic Feet - it will probably be around 3.2 CuFt.

Good luck...

March 2015

Divide it by 2 to get the radius

Multiply the radius by itself (r squared)

Multiply that answer by 3.142 (pi)

Multiply that answer by the depth of the drum - again in inches.

The result is the capacity in cubic inches.

Divide this figure by 1728 (12x12x12) to get the capacity in Cubic Feet - it will probably be around 3.2 CuFt.

Good luck...

March 2015

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