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Smallmouth Bass Weight
The formula to calculate the weight for a Smallmouth Bass that is 20 inches long and has a girth of 15 inches is as follows. Smallmouth Bass have a shape factor of 1100.
WEIGHT = LENGTH x GIRTH² / SHAPE FACTOR
WEIGHT= 20 x (15²) / 1100
WEIGHT= 20 x 225 / 1100
WEIGHT= 4500 / 1100
WEIGHT = 4.09 pounds
Largemouth Bass Weight
The formula to calculate the weight for a Largemouth Bass that is 20 inches long and has a girth of 15 inches is as follows. Largemouth Bass have a shape factor of 1050.
WEIGHT = LENGTH x GIRTH² / SHAPE FACTOR
WEIGHT= 20 x (15²) / 1050
WEIGHT= 20 x 225 / 1050
WEIGHT= 4500 / 1050
WEIGHT = 4.29 pounds
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