Estimate fish weight using length and girth measurements.

Estimate fish length from weight and species factor.

Estimate drag setting based on line strength and target percent.

Estimate casting distance from lure weight, rod length, and wind.

Estimate bait quantity needed based on anglers, hours, and waste.

Estimate backing length based on spool capacity and main line length.

Calculate bolt momentum from speed and weight.

Calculate bolt kinetic energy from speed and weight.

Estimate draw weight from power stroke and peak force assumptions.