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.
This Bass is not the new World Record Bass as it was foul-hooked, but shows to what size a Bass can grow! World Record Largemouth Bass - Tie- Manabu Kurita 22.5lb. On July 2nd, 2009 Manabu Kurita caught the 22 pound, 5 ounce Largemouth Bass, in Lake Biwa in Japan. The bass measured 29 inches in length. It was caught on a live bluegill. This bass weighs one ounce more than the existing world record.