App description

Cylinder calculation formula:

\(S1=2πRH\)

\(S=2S bottom +S1\)

\(S=2πR^2+2πRH\)

\(V=S bottom H\)

\(V=πR^2H\)

Hollow cylinder calculation formula:

\(S=M+2π(R^2-r^2)\)

\(S1=2πh(R+r)=4πhp\)

\(V=πh(R^2-r^2)=2πpth\)

In the formula:

• r, R --- inner and outer radius;
• h---high;
• p---average radius
• t---wall thickness
• S---surface area
• S1---side surface area

Usage example

R—outer radius: 8

R—inner radius: 4

T—column wall thickness: 3

P—average radius: 7

H—height: 6

Click "Calculate" to output data

Cylindrical surface area: 703.71

Cylindrical side surface area: 301.59

Cylinder volume: 1206.37

Hollow cylindrical surface area: 753.98

Hollow cylindrical side surface area: 452.38

Hollow cylinder volume: 6334.45

 

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