Cubic In Cylinder
Calculate cylinder volume in cubic inches from radius and height using V = pir^2h. Free online imperial volume calculator for engines, pipes, and small tank capacity.
About This Calculator
The Cubic Inches Cylinder Calculator computes the volume of a right circular cylinder in cubic inches using the formula V = pir^2h. Enter the radius and height in inches, and the calculator instantly returns the volume in cubic inches with a breakdown chart showing the base area and height components.
This calculator is particularly useful for US automotive enthusiasts calculating engine displacement, machinists working with small cylindrical parts, plumbers sizing pipe capacity, and anyone working with imperial measurement systems where cubic inch volumes are standard.
A cylinder with radius 3 inches and height 6 inches, for example, has a volume of approximately 169.65 cubic inches -- about 0.734 US gallons. The chart visualises how the circular base area multiplies by the height to produce the total volume.
Frequently Asked Questions
How do you calculate cylinder volume in cubic inches?
Use the formula V = pir^2h, where r is the radius in inches and h is the height in inches. The result is in cubic inches (in^3). For example, a cylinder with radius 3 in and height 6 in has volume V = pi x 9 x 6 ≈ 169.65 in^3.
How many cubic inches are in a gallon?
There are 231 cubic inches in one US gallon. To convert cubic inches to US gallons, divide the volume by 231. For example, 169.65 in^3 ÷ 231 = 0.734 US gallons.
What is engine displacement measured in?
Engine displacement is commonly measured in cubic inches (especially for older US engines and muscle cars) or liters. The displacement is the total swept volume of all cylinders combined, calculated using the bore (diameter) and stroke.
What are common uses for cylinder volume in cubic inches?
Cubic inch volume calculations are used for engine displacement measurement, small engine sizing, pipe and tubing capacity, hydraulic cylinder volumes, and small tank or container capacity estimation in US manufacturing.
Is this cubic inches calculator free to use?
Yes, all calculators on Calculy are completely free to use. There are no registration requirements or usage limits.