What is the best way to weigh a trout?

What is the Best Way to Weigh a Trout?

Many trout fishermen find weighing trout to be a bit tricky, offer they do not bother and just guesstimate a weight. Other times, they resort to measuring them using a chart to estimate the weight that way. Of course, such methods are quite vague, and the true weight of the fish can vary widely from such estimates.

When releasing trout, avoid using lip grip scales. Trout have weak jaws, and weighing a trout with lip grip scales can easily dislocate their jaw preventing them from feeding. It can easily be a death sentence.

Below I will discuss what is the easiest way to weigh a trout while fishing and cover a few of the alternatives.

Weigh Net – A Landing Net With Integrated Scales.

This is the only method of weighing a trout I use when I am practicing catch and release.

The best way to weigh a trout is in a weigh net. A weigh net is a landing net with a set of scales integrated into the handles. Using a weigh net could not be simpler or faster and no need to spend time attaching another set of scales.

The weighing process is easy. Land the trout in the net, then lift the net out of the water and use the integrated scales to quickly weigh the trout before returning it to the water. I am sure there are other brands out there, but I have always used a landing net made my Mcleans Angling, I have written about it here.

Weigh nets are the best method to weigh trout for several reasons.

It minimizes handling, and the amount of time the trout is held out of the water. It is possible to weigh a trout in about 5 seconds. No need to touch it or even remove it from the net.

The entire weight of the trout is well supported by the net itself. It is such a simple concept and it works very well.


Finally, because the scales are integrated into the handle of the net, there is no need to keep a bulky pair of scales in your vest.

Tube Spring Hand Scale are an Excellent Option.

Hand scales are a lightweight, compact, and fairly cost-effective way to weigh trout. Tube scales, like the name suggests, are typically a cylinder design with a hook.

Mechanical tube scales have several advantages over electronic scales. Firstly, they contain no electronics to short circuit. Secondarily they do not have batteries, so are always ready to go no matter how long they have spent in storage.

A quality pair of tube scales can easily last decades, if not a lifetime.

If you plan on releasing the trout, then weigh the trout while it is still in the net. Just hook the hand scales somewhere around the frame or on the handle.

It is important to remember to calibrate the scales to automatically adjust for the weight of the net. If you forgot to calibrate the scales, then you have to weigh the net empty and manually subtract the weight.

I personally use a very old spring scale which is no longer made. Most of the modern ones I have seen are cheaply made, although if I was buying today there are two models I will consider.

Budget option: Rapala tube scale is my budget pick. Good accuracy, comfortable handle, and corrosion resistance due to stainless steel construction. My only complaint is that the ‘measure’ is a sticker and the adhesive might eventually fail. Available in 15, 25, and 50lb models. You can check it out here on amazon.

Premium option: Manley Brass Fishing Scale. Extremely well built from corrosion-resistant brass, should last life a time. 8.5″ long. Also good to accurately test drag settings. Maxes out at 50lb, Check the price on Amazon here.

Tube scales are a simple but effective way to weigh trout

Electronic Scales Are a Little Bulky but Work Well.

Electronic scales function in a very similar way to hand scales but give a digital readout. Due to their internal electronics, they also tend to be less reliable.

Electronic scales batteries run on batteries, mine seem to be flat whenever I need to use them. I have owned a few electronic scales over the years and while fairly accurate corrosion usually ends up killing them.

In general, when wading. I still prefer a mechanical scale because the design is more compact and they fit better into a pocket.

I can not really give any recommendations for brands, because there are too many and all the ones I own eventually die. If you do buy one made sure it can be calibrated.

I know I said above, I was not going to give recommendations, but I do like the compactness of the Rapala 25 Lb. Mini Digital Scale. Its small size makes it less bothersome to keep in a fishing vest pocket. Accuracy is okay.

Lip Grip Scales – Do not use them on trout

Lip grip scales as the name suggests are a combination of a lip holder and digital scales.

These should not be used on any trout you plan on releasing, because structurally trout, salmon, and chars are not strong enough to be hanged from their lips. It can dislocate their spine and in some cases rip their jaw. If you are practicing catch and release, do not use lip grips on trout.

I am personally not a big fan of the technology and find it is much faster just to scoop a fish up in a net to control it.

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