Iz: Moment of Inertia z axis
m: Mass
r: Radius

	Moment of Inertia: Cylinder with thin thikness
	Iz = m · r² kg·cm² kg·m² kg·mm² Lb·ft² Lb·in² Lb·yd² g kg lb t oz cm ft in m mi mm nmi yd

	Moment of Inertia: Cylinder with thick thikness
	Iz = m · ( r1² + r2² ) / 2 kg·cm² kg·m² kg·mm² Lb·ft² Lb·in² Lb·yd² g kg lb t oz cm ft in m mi mm nmi yd cm ft in m mi mm nmi yd

	Moment of Inertia: Solid Cylinder
	Iz = (1/2) · m · r² kg·cm² kg·m² kg·mm² Lb·ft² Lb·in² Lb·yd² g kg lb t oz cm ft in m mi mm nmi yd

	Moment of Inertia: Solid Sphere
	Iz = (2/5) · m · r² kg·cm² kg·m² kg·mm² Lb·ft² Lb·in² Lb·yd² g kg lb t oz cm ft in m mi mm nmi yd

	Moment of Inertia: Hollow Sphere
	Iz = (2/3) · m · r² kg·cm² kg·m² kg·mm² Lb·ft² Lb·in² Lb·yd² g kg lb t oz cm ft in m mi mm nmi yd