Brook Trout Weight Calculator

Brook Trout, a popular freshwater fish, can vary significantly in size. Anglers often want to estimate the weight of the trout they catch. To make this task easier, we have developed the Brook Trout Weight Calculator. This tool allows you to input the length and girth of your catch to obtain a rough weight estimate.

Formula: The calculator uses a simple formula to estimate the weight of a Brook Trout. It multiplies the length by the girth squared and then divides the result by 800.

How to Use: Using the Brook Trout Weight Calculator is straightforward. Follow these steps:

  1. Enter the length of the Brook Trout in inches.
  2. Input the girth of the fish in inches.
  3. Click the “Calculate” button to get the estimated weight.

Example: Let’s say you’ve caught a Brook Trout that measures 12 inches in length and has a girth of 8 inches. After plugging these values into the calculator, you’ll find that the estimated weight is approximately 1.44 lbs.


  1. Q: How accurate is this calculator? A: The calculator provides a rough estimate. Actual fish weight can vary based on factors like fish health and shape.
  2. Q: Is this calculator suitable for other types of fish? A: This calculator is specifically designed for Brook Trout. It may not be accurate for other species.
  3. Q: Can I use centimeters instead of inches for measurements? A: No, the calculator requires measurements in inches.
  4. Q: What’s the purpose of estimating a fish’s weight? A: It’s often used for fishing competitions or simply to appreciate the size of the catch.
  5. Q: Does the calculator account for variations in Brook Trout? A: It offers a general estimate and may not consider unique factors affecting individual fish.

Conclusion: The Brook Trout Weight Calculator is a handy tool for anglers who want a quick estimate of their catch’s weight. While it may not be 100% accurate, it provides a good approximation for Brook Trout. Remember that factors such as fish health and shape can affect the actual weight, but this calculator is a useful starting point for fish enthusiasts. Enjoy using it for your fishing adventures!

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