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`h = "V" / (pi * "r" ^2)`

Enter a value for all fields

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

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

- (
**r**) Radius of Cylinder - (
**V**) Volume of Cylinder

**Height (h):** The calculator returns the height (**h**) 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 height or length of a cylinder based on the radius and volume is:

where:

- h is the height or length of the cylinder
- V is the volume of the cylinder
- r is the radius of the cylinder

The Height of a Cylinder Calculator (here) can help you measure the amount of liquid (e.g. water) is in tank. For example, say you have a cylinder shaped water tank, and you believe you have 60 gallons in it. You can measure the radius of the tank (e.g. 16"), and enter the radius and 60 gallons as the volume into this calculator. It will tell you that the height of the liquid should be 17.233 inches (17 1/4"). You can then use a dipstick to measure the actual depth of liquid and confirm the amount. If the dipstick measure a different height, you have a different volume of liquid. In that case, use the radius and height in the Volume of a Cylinder calculator (CLICK HERE) to tell you the actual volume.

- 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. **Time to Drain a Cylinder**based on Torricelli's Law of gravity flow of water.- 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.
- Look up the mean density of common substances (useful in calculating the mass/weight and the moments of inertia)