If you are fortunate enough to catch bigger fish, carry a tailor’s tape and have a cooperative big fish, then you will find this a helpful tool in estimating the size of your catch. The technique suggests you are going to release the fish, so handle with care and be quick about it. Studying the method in advance and making two quick measurements, should provide a close enough estimation at its size.

Angler Wise

Angler Wise Freshwater provides the formula and additional information on fresh water fly fishing. Check it out.