Fish Scales is a handy tool that no Angler should be without. Have you ever boated that trophy fish, measured it and then tried to guess at what it weighs? Scales can be bulky and unreliable – we have the solution. This app uses the fish’s length and girth measurements to approximate the weight by species. We recommend using a soft, flexible measuring tape to make the process simpler. The type of measuring tape used by tailors or seamstresses works well and is easily stowed in a compartment in your tackle box.

Within seconds, obtain a weight estimate for the following species:

- Bass
- Billfish
- Bluegill
- Catfish
- Crappie
- Dolphin
- Grouper
- Perch
- Pike
- Salmon
- Shark
- Snapper
- Trout
- Walleye

This calculator is only an estimate and is intended for reference purposes. Do not use this calculator for official weights in tournaments or competitions.