The Water Resources Division's Surface Water Assessment Section oversees the protection of the quality of surface waters throughout the State of Michigan.
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.
A large crappie is referred to as a Slab. In most waters, crappie with a weight of 1/2 to 1 pound are considered good fish. In other waters, crappie are not considered large until they hit the 1 1/2 or 2 pound mark. They can, under ideal circumstances, reach weights of up to 6 pounds.