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`r = sqrt( "v" /(pi * "h" ))`

Enter a value for all fields

The **Radius of a Cylinder** calculator computes the radius of a right circular cylinder from the height (h) and volume (V) (see diagram).

**INSTRUCTIONS:** Choose units and enter the following:

- (
**V**) Volume of Cylinder - (
**h**) Height of Cylinder

**Radius (r):** The calculator returns the radius and diameter in meters. However, this can be automatically converted to many other length units (e.g. inches) via the pull-down menu.

The formula for the radius of a cylinder is:

`r = sqrt(V/(π*h))`

where:

- r is the radius of the cylinder
- V is the Volume of a Cylinder
- h is the height of the cylinder

**Cylinder Side Area**: Computes the surface area of the sides of a cylinder based on height and radius.**Cylinder Surface Area**: Computes the total surface area of a cylinder including sides, top and bottom.**Cylinder Volume**: Computes the volume of a cylinder based on cylinder height and radius.**Cylinder Volume from Height and Circumference:**Computes the volume of a cylinder based on the height and circumference. It also returns the diameter of the cylinder.**Cylinder Height**: Computes the height of a cylinder based on the volume and radius.**Cylinder Radius:**Computes the radius and diameter of a cylinder based on the volume and height.**Cylinder Weight**: Computes the weight, mass and volume of a cylinder based on the height, radius and density.**Cylinder Mass**Computes the mass of a cylinder based on the radius and height and mean density of the cylinder.**Volume in Horizontal Cylinder**: Computes partial volume of a horizontal circular cylinder based on the radius and length of the cylinder and the vertical height of the contents in the cylinder (see diagram).**Cylinder Density:**Computes the mean density of a cylinder based on the mass and computed volume from the radius and height.**Slanted Cylinder Surface Area**: Computes the surface area of a slanted cylinder based on the radius and side length (L).**Slanted Cylinder Area from Angle**: Computes the lateral area (surface area of the sides) of a slanted cylinder based on its radius, height and slant angle (θ).**Slanted Cylinder Volume**: Computes the volume of a slanted cylinder based on the radius of the base, side length and slant angle.**Slanted Cylinder Weight:**Computes the weight or mass of a slanted cylinder based on the radius, side length, slant angle and density.**Cylinder MoI about Central Axis:**Computes the moment of inertia of a cylinder about its central axis based on the mass and radius.**Cylinder MoI about the End:**Computes the moment of inertia of a solid circular cylinder of uniform density about an axis along the diameter of the cylinder at one end.**Cylinder MoI Perpendicular to Axis**: Computes the moment of inertia of a solid circular cylinder of uniform density about an axis perpendicular to the axis of the cylinder and through the center of mass.