Muskie Weight Calculator:

Length
Girth
Fish Type
Calculated
Weight

.

Bass/Walleye
Pike/Musky

(1-120 inches)
(1-100 inches)
.
(pounds)

 

Muskie Weight Formula

The formula to calculate the weight for a Muskie that is 40 inches long and has a girth of 22 inches is as follows. Muskie have a shape factor of 1300.

WEIGHT = LENGTH x GIRTH2 / SHAPE FACTOR

WEIGHT= 40 x (222) / 1300
WEIGHT= 40 x 484 / 1300
WEIGHT= 19360 / 1300
WEIGHT = 14.89 pounds (This would be a skinny Muskie)