How To Determine Your Bow Draw Length
To achieve the correct bow draw length you should be using, you must first determine the length of your arm span in inches. Standing with your arms out and palms facing forward, measure from the tip of one middle finger to the tip of the other. Then, simply divide that measurement by 2.5.
For most hunters of average proportions, your arm span will roughly equal your height. So there is often a direct correlation between a person's height and their draw length as well. Once you have determined your draw length using the method above, you can double-check that measurement by using the tables below.