Right Hollow Cylinder

• Right hollow cylinder (a three-dimensional figure) has a hollow core with both bases direictly above each other and having the center at 90° to each others base.
• 2 bases

 

See article links Moment of Inertia and Moment of Inertia of a Cylinder

 

Inside Volume of a Right Hollow cylinder formula
\(\large{ V = \pi\; r^2\;h }\)
Symbol	English	Metric
\(\large{ V }\) = volume (inside)	\(\large{ in^3 }\)	\(\large{ mm^3 }\)
\(\large{ \pi }\) = Pi	\(\large{3.141 592 653 ...}\)
\(\large{ r }\) = inside radius	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ h }\) = height	\(\large{ in }\)	\(\large{ mm }\)

 

Lateral Surface Area of a Right Hollow cylinder formula
\(\large{ A_l = 2 \; \pi \; h \left(R^2 + r^2  \right) }\)
Symbol	English	Metric
\(\large{ A_l }\) = lateral surface area (side)	\(\large{ in^2 }\)	\(\large{ mm^2 }\)
\(\large{ \pi }\) = Pi	\(\large{3.141 592 653 ...}\)
\(\large{ h }\) = height	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ R }\) = outside radius	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ r }\) = inside radius	\(\large{ in }\)	\(\large{ mm }\)

 

Object Volume of a Right Hollow cylinder formula
\(\large{ V = \pi\; h \left(R^2 - r^2  \right) }\)
Symbol	English	Metric
\(\large{ V }\) = volume (object thickness)	\(\large{ in^3 }\)	\(\large{ mm^3 }\)
\(\large{ h }\) = height	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ R }\) = outside radius	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ r }\) = inside radius	\(\large{ in }\)	\(\large{ mm }\)

 

Surface Area of a Right Hollow cylinder formula
\(\large{ A_s = h + 2 \; \pi  \left(R^2 - r^2  \right) }\)
Symbol	English	Metric
\(\large{ A_s }\) = surface area (bottom, top, side)	\(\large{ in^2 }\)	\(\large{ mm^2 }\)
\(\large{ h }\) = height	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ \pi }\) = Pi	\(\large{3.141 592 653 ...}\)
\(\large{ R }\) = outside radius	\(\large{ in }\)	\(\large{ mm }\)
\(\large{ r }\) = inside radius	\(\large{ in }\)	\(\large{ mm }\)