Sectional Density Calculator
Yeah i d rather use the calculator too.
Sectional density calculator. Sectional density according to the speerreloading manual no. A comprehensive collection of interactive online ballistics calculators. Sectional density sd is the numerical result of a calculation that compares a bullet s weight to its diameter.
It conveys how well an object s mass is distributed by its shape to overcome resistance along that axis. This free density calculator determines any of the three variables in the density equation given the other two. A one stop resource for your technical ballistic data needs.
Bullet weight grains. The higher the sd number the better the sd and the heavier a bullet is in proportion to its diameter. Sectional density often abbreviated sd is the ratio of an object s mass to its cross sectional area with respect to a given axis.
To calculate a bullet s sectional density divide the bullet s weight in pounds by its diameter in inches squared. A bullet s sectional density also affects the amount of damage it can cause. Bullet diameter in.
Generally speaking the larger a bullet s sectional density the. This site uses cookies to give you the best most relevant experience. Sport firearms and handloading information.
13 is defined as. Exterior ballistics recoil calculator wound channel calculator stopping power calculators mutiple round ball weight calculator powder calculators and more. Sectional density a bullet s weight in pounds divided by its diameter squared describes a bullet s length for its diameter.