Content of article

## Chinook Salmon Weight Conversion Chart

Length (inches) Weight (pounds)

24 ………………………………………….. …6

25 ………………………………………….. …6.5

26 ………………………………………….. …7.5

27 ………………………………………….. …8.5

28 ………………………………………….. …9.5

29 ………………………………………….. …10.5

30 ………………………………………….. …11.5

31 ………………………………………….. …13

32………………………………………… ……14

33 ………………………………………….. …15.5

34 ………………………………………….. …17

35………………………………………… ……18.5

36………………………………………… ……20

37………………………………………… ……22

38………………………………………… ……23.5

39………………………………………… ……25.5

40………………………………………… ……27.5

41………………………………………… ……29.5

42………………………………………… ……32

43………………………………………… ……34

44………………………………………… ……36.5

45………………………………………… ……39

46………………………………………… ……42

47………………………………………… ……44.5

48………………………………………… ……47.5

49………………………………………… ……53.5

51………………………………………… ……57

52………………………………………… ……60

53………………………………………… ……64

54………………………………………… ……68

55………………………………………… ……72

As some people are unsure of the weight of the Salmon they catch I thought i would post this.

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January 03, 2016

Several methods are available to estimate the weight of a fish. Some use length as well as girth measurements. Weight also can be estimated using only length measurements based on relationship between length and weight. Length-weight equations can be developed for specific waters, regions (e.g., states), or for a particular species.

Formulas containing length as well as girth are often most accurate for estimating weight, because the fatness or plumpness of the fish is accounted for. If only length is available, the most accurate weights often are estimated from length-weight relationships for specific waters or regions. For instance, in some waters fish might be relatively «skinny,» and the weight estimate might be overinflated if based on a formula created from data on a water body where fish are «fat» or even «normal.» That’s why adding girth to the formula can help with accuracy. Formula’s containing girth, however, also may not be as accurate as we’d like, because of inherent differences in the shape of fish and finding the right adjustment factor (or «shape» factor) to use in the formula. And it’s important to measure girth carefully, and at the fish’s fattest point, as girth estimates affect weight estimates powerfully.

One easy way to estimate fish weight is through the use of standard length-weight formulas. Species-specific formulas, called standard-weight equations, have been developed for dozens of fish species by fishery biologists to describe the standard growth form of a species as a whole. These relationships often are used to assess body condition (the relative weight or plumpness of a fish), which provides an index of a fish’s well-being, such as whether there are forage shortages or surpluses, and can sometimes reflect fish growth rate.

These standard length-weight formulas are often developed using thousands of fish from hundreds of populations across the range of a species, so they describe the «general» growth form of that species. For instance, the equation for black crappie was developed using over 20,000 fish across a range of sizes from 175 populations across the geographic range of black crappie.

*An important thing to keep in mind is that these standard length-weight formulas describe fish in «above-average» condition. In fact, the weights in the tables represent the 75th-percentile in the samples for that particular length, and are not average weights. In other words, if you lined up 100 random bass of the same length in order of weight, and those bass were a good representation of the range of weights for that length, the weight provided in the table would be for the 75th heaviest fish. While it might have made more sense to use the median weight for these formulas, fishery biologists decided to go with the 75th percentile so that the standard weight at a given length was an above-average or «ideal» target to shoot for in terms of body condition. So, if your fish appears plump and healthy, the weights from the table should be relatively close. If your fish is skinny to average, it will weigh less, and if very plump and remarkably «fat» it will weigh more. Just make an adjustment. No formula is 100-percent accurate, but if you have only length and not girth, this should help get you in the ballpark. Your state fishery agency may have standard weight tables based on regional data posted on their website. These formulas use total length of the fish, measured from the tip of the snout to the tip of the tail fin when compressed.

Chinook Salmon Weight Conversion Chart

25 in | 6.49 lb |

26 in | 7.28 lb |

27 in | 8.12 lb |

28 in | 9.02 lb |

29 in | 9.99 lb |

30 in | 11.02 lb |

31 in | 12.12 lb |

32 in | 13.29 lb |

33 in | 14.53 lb |

34 in | 15.84 lb |

35 in | 17.23 lb |

36 in | 18.70 lb |

37 in | 20.25 lb |

38 in | 21.88 lb |

39 in | 23.59 lb |

40 in | 25.38 lb |

41 in | 27.27 lb |

42 in | 29.24 lb |

43 in | 31.31 lb |

44 in | 33.47 lb |

45 in | 35.72 lb |

46 in | 38.08 lb |

47 in | 40.53 lb |

48 in | 43.08 lb |

49 in | 45.74 lb |

50 in | 48.50 lb |

51 in | 51.36 lb |

52 in | 54.34 lb |

53 in | 57.43 lb |

54 in | 60.63 lb |

55 in | 63.94 lb |

56 in | 67.37 lb |

57 in | 70.92 lb |

58 in | 74.59 lb |

59 in | 78.39 lb |

60 in | 82.30 lb |

This site, pages, and images

designed by and copyright material of Bob Ball, Bob’s Piscatorial Pursuits

— Alaska and Washington Steelhead, Salmon, and Halibut Fishing Guides / Charters

— Forks, Washington and Soldotna, Alaska, USA. Encounter any problems?? If

so, please Email us.

Table based on lengths {amp}amp; weights of 17,794 rod caught Salmon over whole seasons, 1991 – 2009

Catch and release is a great way to preserve salmon stocks. If you would like to know how much your fish weighed then here are some handy systems to help estimate its weight from its length. Instead of carrying a priest, carry a tape measure.

System based on salmon length and condition. Published by the Norwegian Institute of Nature Research.

River Dee System, based on salmon length. Adapted from salmon-scale published (and kindly provided by) by the River Dee Trust. Scotland.

System based on salmon length. Published by the Icelandic Institute of Freswater Fisheries.

System based on salmon length. Published by the Environment Agency of England {amp}amp; Wales.

System based on salmon length and girth. (girth x girth x length / 775)

System based on salmon length and girth by Professor L Lum. (length x length * girth * 0.0007)

Hover mouse over the rivers, lakes or towns to see their names. Click on them for more information and detailed maps.

This salmon calculator is a quick and easy solution to use for determining the weight of a fish that has been measured and released.

Using the calculator is very easy. Simply enter the measurements into the appropriate boxes.

Length is measured from the tip of the nose to the center of the tail.

Girth is measured just in front of the dorsal fin.

Remember to use a soft tape and keep in mind that when your fish is out of the water it is experiencing the same thing you do when you are under water, so if possible measure the fish in the water.

## Fish Weight Calculator

1) Ghillies Word – Probably the most popular of all the methods of determining the weight of your fish even if it is the most arbitrary. Do not be surprised if your ghillie gives your fish a higher or lesser weight than what you might expect. Old fashioned ghillies will probably have seen, killed and weighed more fish than you are ever likely to and will have a very good idea as to the weight of the fish on his river. A good bottle of whisky on Day 1 may however slew the statistics!

2) Anglers Word –By far and away the most inaccurate of all possible scales. To be avoided if reliable data is to be obtained but excellent when applied to all narratives!

3) Weighing Scales –This is of course the most obvious means of determining the weight of your salmon however a typical set of pocket sized anglers scales are notoriously inaccurate. Your fishing guide or ghillies weighing scales may be marginally better and will at least be a constant however are still prone to wide discrepancies.

4) Measuring Your Fish -Typically taking the length of the fish followed by the girth and then applying those figures to a local chart, ideally designed around previous records of fish caught on your river, will provide you with a very good indication of the weight of your salmon. Carrying a small tape measure in your pocket is the best option but do not be afraid to improvise if caught short.

5) Ask the Audience -The wonders of digital photography enable everyone to have their say in the weight of the fish. A good pose and a wide-angle lens will double the size!

## How Big Was That Fish?

The Atlantic Salmon Federation has devised a length/weight table, called a Salmometer. It enables the angler to estimate the weight of the salmon once its length has been measured. (In catch-and-release angling it is not advisable to weigh the fish; there is too great a danger of fatally injuring the fish.)