Largemouth and Smallmouth Bass Length to Weight Conversion Chart
The following chart is a general guide to converting largemouth bass or smallmouth bass length (inches) into weight (pounds). It is not exact and many other factors need to be taken into consideration.
The basic formula for calculating the weight of a largemouth bass or smallmouth bass is: length x length x length divided by 1600.
Girth is also a significant factor and can vary the weight considerably. The chart above is a general guideline for fish of average girth.
The following chart is a general guide to converting largemouth bass or smallmouth bass length (inches) into weight (pounds). It is not exact and many other factors need to be taken into consideration.
Length (inches) | Weight (pounds) | Length (inches) | Weight (pounds) | |
10 | .63 | 17.5 | 3.35 | |
10.5 | .72 | 18 | 3.64 | |
11 | .83 | 18.5 | 3.95 | |
11.5 | .95 | 19 | 4.28 | |
12 | 1.08 | 19.5 | 4.63 | |
12.5 | 1.22 | 20 | 5 | |
13 | 1.37 | 20.5 | 5.38 | |
13.5 | 1.53 | 21 | 5.78 | |
14 | 1.71 | 21.5 | 6.21 | |
14.5 | 1.90 | 22 | 6.65 | |
15 | 2.10 | 22.5 | 7.11 | |
15.5 | 2.32 | 23 | 7.60 | |
16 | 2.56 | 23.5 | 8.11 | |
16.5 | 2.80 | 24 | 8.64 | |
17 | 3.07 | 24.5 | liar |
The basic formula for calculating the weight of a largemouth bass or smallmouth bass is: length x length x length divided by 1600.
Girth is also a significant factor and can vary the weight considerably. The chart above is a general guideline for fish of average girth.