weight calculator?

[jigs]

i was wondering if anyone knows a website that has one of those calculators that will tell you how much a fish weighed if you have the length and girth. Just incase i do happen to get a monster walleye this year, I would hate to keep one of those big hens unless its the state record.
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[iliketofish]

[#686f3c]Length x Length x Length divided by 2,700 [/#686f3c]
[#686f3c]Example: 18" x 18" x 18" divided by 2,700 = 2.16 lbs[/#686f3c]
[#3e4123]Walleye length to weight formula[/#3e4123]
Hey I found this one, if it helps:
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[jigs]

thank you thats exactly what i was after.
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[packfish]

That looked odd to me at first until I read the whole post on the formula- I was thinking like most fish weight formulas it was length x girth then the division.
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[jigs]

i was looking for one for trout and other fish also and noticed every site i went to gave you something diffrent.
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[flygoddess]

Here is another one:

http://www.trailstotrout.com/calculator.html
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[jigs]

i am kind of wanting one that i can print out and stick in my tackle box, for quick math while on the stream.
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