Ok guys, here is the "800 Scale" according to what I found on the internet:
The Formula:
(Girth x Girth) x Length) / 800 = weight in pounds
(girth and length are inches)
Example:
If the fish’s girth is 15 inches and its length is 29 inches, the formula would be used as follows:
15 x 15 x 29, divided by 800 = 8.16 pounds
Then the ".16" or "16/100" is converted to ounces (multiply by 16)
.16 x 16 = 2.56 or 3 ounces
so this fish is 8 pounds 3 ounces
Here's my question. How accurate is this for walleye?? Last weekend I was up and measured and weighed all of my fish, and without fail, all would be heavier using this system. For example, I caught one that had a girth of 18" and a length of 29.5" and I weighed it at 11.0 pounds. According to the formula, it would weigh 11.9 pounds. I realize that any formula represents an average for the size, but wondered how accurate guys found it. I mean, I would be happy to tell all my buddies that my fish are now quite a bit bigger than I thought
Or, perhaps my scale is off - it's a digital one but hey, my wife could have altered it to make the fish look smaller - she's not a fan of fishing