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  1. #1
    Join Date
    Dec 1969
    Location
    Columbia, KY
    Posts
    53

    inches compared to weight size question

    [font size="1" color="#FF0000"]LAST EDITED ON Jan-02-06 AT 12:15PM (EST)[/font][p]In November I caught a 21 3/4 inch smallmouth on Dale...I did not have my scales and had to borrow another person's scales...Their scales said it was 4.5....After reading the other posts, I feel like those scales were off....What is the opionion of the masses?

    Thanks for your input!!!!

  2. #2
    Join Date
    Dec 1969
    Location
    Oak Ridge
    Posts
    349

    RE: inches compared to weight size question

    The scales are probably right. The weight depends on the girth also. There are fairly accurate length/girth/weight calculators available on the web for different species of fish.

  3. #3
    Join Date
    Dec 1969
    Location
    .
    Posts
    153

    RE: inches compared to weight size question

    A lot of it depends on the time of year (pre or post spawn, etc.) I've caught several around that same length that averaged around 4.5 pounds. Then again, I've also caught some 22 inches and up that didn't pass the 5 lb mark and some that were shy of 22 inches that were over 5lbs so I don't know if there is a clear cut answer!

  4. #4
    Join Date
    Dec 1969
    Location
    Columbia, KY
    Posts
    53

    RE: inches compared to weight size question

    The girth on the fish was 19 1/4....HE was pretty chunky....Thanks again for your input....

  5. #5
    Join Date
    Dec 1969
    Location
    Oak Ridge
    Posts
    349

    RE: inches compared to weight size question

    For smallmouth I found girth X girth X length divided by 800, so unless you got the girth it's anybody's guess. I carry a piece of string in my pocket. It's much simpler and more accurate than a cloth tape measure. You are supposed to measure the girth at the largest part of the fish, which on a smallmouth is usually about 2/5 of the way back on the dorsal fin vertically around the belly. Since you have to mash down the dorsal fin to take the measurement, I just measure around from just in front of the dorsal fin and just slightly angle back around in back of the pectoral fins. Since I throw all bass back I don't want to handle the fish any more than necessary. I get the same results unless it is an unusually "footballish" like fish. Good luck.

  6. #6
    Join Date
    Dec 1969
    Location
    Oak Ridge
    Posts
    349

    RE: inches compared to weight size question

    Congratulations - according to the formula I found posted on the web you just released a 10 pound 1 ounce smallmouth! Sumthin ain't right here! Must be the formula - like they say - don't believe everything you read on the web. That is - unless you actually just caught and released a 10 pound smallie. Now don't you feel good about yourself!

  7. #7
    Join Date
    Dec 1969
    Location
    Columbia, KY
    Posts
    53

    RE: inches compared to weight size question

    I used that formula and got 10+ as well....I thought it was a good one, but not THAT good...I found a few calculators and they said from four and three quarters to five and three quarters....Scales were probably pretty close....



  8. #8
    Join Date
    Dec 1969
    Location
    Glasgow
    Posts
    552

    RE: inches compared to weight size question

    Weigh a known weight on those scales.
    You could weigh a gallon of water. It should weigh 8.34 lbs.

    ---------------------------
    I'd rather be catchin! :7

  9. #9
    Join Date
    Dec 1969
    Location
    Benton, KY.
    Posts
    266

    RE: inches compared to weight size question

    Sounds like a female that just pigged out on the late fall shad runs, smallies weigh a ton anyways but females are use to gorging until their bellies sink them to the bottom. The G(squared) x L divided by 800 = w formula is correct but on heavy fish it could be off a pound. My thoughts.

  10. #10
    Join Date
    Dec 1969
    Location
    .
    Posts
    101

    RE: inches compared to weight size question

    [font size="1" color="#FF0000"]LAST EDITED ON Jan-03-06 AT 07:07AM (EST)[/font][p][font size="1" color="#FF0000"]LAST EDITED ON Jan-03-06 AT 07:06*AM (EST)[/font]

    Sorry to report but, know this for a fact....Formula's are only guesstimate's and are not necessairly accurate. I've caught a 19" smally outta Dale last year that was pushing 4 1/2 last year and have also caught 21" fish that only weighed 4.9 oz.
    Shorter fish that look like footballs at Erie are the norm and a 20" fish there can be a monster.
    I think it all depends on the geographic area...a 20 to 21" fish at Dale could be anywhere from 4 to 6 lbs. most of the time.

  11. #11
    Join Date
    Dec 1969
    Location
    Benton, KY.
    Posts
    266

    Hold on

    I see your point, but formula is a measure of GIRTH and lenth. A 21" males will weigh 4lbs while a 21" female will weigh 6-10 lbs depending on the girth. With fish over 10 pounds the weight may be off a LITTLE. But otherwise the formula is very close. It's all about girth.

  12. #12
    Join Date
    Dec 1969
    Location
    .
    Posts
    2,013

    RE: Hold on

    [font size="1" color="#FF0000"]LAST EDITED ON Jan-04-06 AT 07:17AM (EST)[/font][p][font size="1" color="#FF0000"]LAST EDITED ON Jan-04-06 AT 03:44*AM (EST)[/font]

    Maybe you did not read this whole string..but when using this so called "close formula" the fish in question would have weighed a little over 10lbs...and the person that caught it says himself that the fish was no way that good. If you use this formula on the current world record smallmouth then it would have weighed 15.83lbs instead of the actual 11lbs 15oz. So much for this formula..better buy some scales.

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