The following table gives approximate weights for Salmon and Sea Trout with lengths in inches weight in lbs. Weights are reckoned to be within + or – 5% of the actual figure. John Roberts used NASCO data and 2.5 cm to 1 inch for the sake of simplicity and ease of calculation. Tight lines.
| Length/ins | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| Sea Trout
Salmon / (lbs) |
1.4 | 1.7 | 2.0 | 2.4 | 2.8 | 3.3 | 3.8 | 4.4 | 5.3 | 6.0 | 6.7 | 7.5 | 8.3 | 9.2 | 10.2 | 11.3 | 12.4 | 13.5 | 14.8 | 16.1 | 17.5 | 19.0 | 20.5 | 22.3 | 24.0 |
Weights are reckoned to be within + or – 5% of the actual figure. John Roberts used NASCO data and 2.5 cm to 1 inch for the sake of simplicity and ease of calculation.