Estimate the weight of your salmon
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 & 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)