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`V = pi * "r" ^2 * "h" `

Enter a value for all fields

The **Gallons in a Cylinder** calculator computes the volume of a right circular cylinder in gallons from the height (h) and radius (r) of the base (see diagram).

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

- (r) radius of the circular base
- (h) height of the cylinder

**Gallons in a Cylinder (V):**The calculator returns the volume in gallons. However, this can be automatically converted to many other volume units (e.g. liters, cubic inches) via the pull-down menu.

The formula for the volume of a cylinder is:

V = ?•r²•h

where:

**V**is the volume of the cylinder**r**is the Radius of the cylinder .**h**is the Height of the cylinder.

- Compute the
**Lateral Surface Area (sides) of a Cylinder**based on height and radius. - Compute the
**Total Surface Area of a Cylinder**including the sides, top and bottom. - Compute the
**Volume of a Cylinder**based on cylinder height and radius - Compute the
**Height of a Cylinder**based on the volume and radius. - Compute the
**Radius of a Cylinder**based on the volume and height. - Compute the
**Mass or Weight of a Cylinder**based on the volume and mean density of the cylinder. - Compute the
**Density of a cylinder**. - Compute the
**Lateral Surface Area of a Slanted Cylinder**. - Compute the
**Volume of a Slanted Cylinder**. - Compute the
**Weight or Mass of a Slanted Cylinder**. - Compute the moment of inertia of a cylinder shaped object based around the central axis
- Compute the moment of inertia of a cylinder shaped object around the end of the cylinder
- Compute the moment of inertia of a cylinder shaped object perpendicular to the central axis.