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Post Options Post Options   Likes (0) Likes(0)   Quote Grunta Quote  Post ReplyReply Direct Link To This Post Topic: Gamefish weight calculator
    Posted: 17 Jan 2011 at 9:48pm
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Have just loaded a full .pdf version of this here. It's based on length x girth squared/800 formula and is a pretty good indication of weight and used as an indicator by many professional skippers and captains. For example a recent marlin weighed 113.3Kg and measured at L: 246  G:114 which is 112kg according to formula.
 
Print one and keep it on the boat and in the gamefishing tackle bag.
Online...
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Post Options Post Options   Likes (0) Likes(0)   Quote lance@driveline.co.nz Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jan 2011 at 9:52pm
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Immm, good work Grunta !  ! !Like it alot. Based on those measurements I am 89KG . Thought my scales at home were off a Tad .....lol
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Post Options Post Options   Likes (0) Likes(0)   Quote Fishb8 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jan 2011 at 9:59pm
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Originally posted by WETSPOT WETSPOT wrote:

Immm, good work Grunta !  ! !Like it alot. Based on those measurements I am 89KG . Thought my scales at home were off a Tad .....lol
Nah, you'd qualify for 90+!!Wink
Be yourself; everyone else is already taken
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Post Options Post Options   Likes (0) Likes(0)   Quote lance@driveline.co.nz Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jan 2011 at 10:01pm
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Oi, watch yourself, or ill have you in your knickers again for a weigh off ! ! ! !
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Post Options Post Options   Likes (0) Likes(0)   Quote TM. Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jan 2011 at 10:18pm
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whangarei deep sea anglers clubs grid map has it on there each year also if you need it

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Post Options Post Options   Likes (0) Likes(0)   Quote Blue Asparagus Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jan 2011 at 11:07pm
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thanks for that Grunta, I have sent Kerran a few measurements over the last few seasons, he has always been wrong always by a kilo or twoLOL yes he has been helpful alright very good results if thats the one he uses.
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Post Options Post Options   Likes (0) Likes(0)   Quote Kezza Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 2011 at 5:56am
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this is the calculator I use - it's the only one I've found that you don't have to muck around converting imperial to metric......just use the "BLUE MARLIN" formula and in most cases "AVERAGE FOR CLASS" for Stirpies.....it's been pretty accurate over the years....the 'TUNA" formula has been very good with NPBFT as well.

I've not tried the "SNAPPER" formula but will next time I decide to weigh something to test the math.
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