Cubic Feet of a Cylinder Calculator

Created by Mariamy Chrdileli
Reviewed by Wojciech Sas, PhD candidate
Last updated: Apr 07, 2022

Welcome to the Omni cubic feet of a cylinder calculator, an easy-to-use tool that helps you determine the volume of a cylinder in cubic feet. The calculator also lets you input your parameters in different units, so you don't have to convert values yourself. Come along, and learn how to find cubic feet of a cylinder!

How do I calculate cubic feet of a cylinder?

To calculate the volume of a cylinder in cubic feet, first make sure that all your parameters are in the same unit (e.g., feet) and then utilize the following formula:

V = π · r² · h,


  • V is cylinder volume;
  • r is cylinder radius; and
  • h is cylinder height.

Let's discuss an example. Suppose you have a cylinder with a 48 inches radius and a height of 6 feet. To calculate the volume, you have to:

  1. Convert 48 inches to feet, which equals 4 feet;
  2. Square the radius, which equals 16;
  3. Multiply the radius squared (the result in step 2) by 6 (height of a cylinder) and by pi; and
  4. Voila! The volume of the cylinder is 301.59 cubic feet.

Sounds cumbersome? Don't worry; you can utilize the cubic feet of a cylinder calculator to do the work for you!

Now that you know how to calculate cubic feet of a cylinder, feel free to explore other cylinder volume-related calculators that may come in handy:

  • Cylinder volume calculator;
  • Cylinder volume gallons;
  • Cubic inches of a cylinder;
  • Circumference of a cylinder;
  • Diameter of a cylinder;
  • Lateral surface area of a cylinder; and
  • Cubic yards in a cylinder.


How do I find the height of a cylinder given the volume and radius of a cylinder?

To find the height of a cylinder, if given the volume and radius of a cylinder:

  1. Double-check if volume and radius are in the same units of measurement (e.g., ft³ and ft);
  2. Square the radius;
  3. Divide the volume of a cylinder by the radius squared and pi; and
  4. That's all! You have calculated the height of your cylinder.

How do I find cubic feet of a cylinder if the radius is 3 ft and the height is 6 ft?

To find cubic feet of a cylinder if the radius is 3 feet and the height is 6 feet:

  1. Square the radius, which equals 9 ft²;
  2. Multiply 9 ft² (radius squared) by 6 ft (height of a cylinder) and pi; and
  3. That's all! The volume of your cylinder in cubic feet equals 169.65 ft³.
Mariamy Chrdileli
Right / oblique full cylinder
Height (h)
Radius (r)
Diameter (d)
Image of a cylinder with radius and height marked. Cylinder volume formula displayed.

Volume (V)
cu in
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