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.
The maximum size of the Northern largemouth is about 10 pounds, while a large female Florida largemouth may reach 20 pounds. In Texas ponds, typical size at year 1 is 8â³, year 2 is 12â³, year 3 is 15â³ year 4 is 17â³ and year 5 is 18â³. The current world record largemouth bass is currently a two way tie between George Perryâs 1932 fish caught in Georgia and Manabu Kuritaâs 2009 fish caught in Japan.