3 Ways To Calculate Cubic Inches - WikiHow

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1 Calculate the volume of a cube with L3. Cubes are rectangular prisms (boxes) in which every side length and angle is equal.[7] Thus, the volume of a cube can be written as length × width × depth = length × length × length = length3. To get your answer in cubic inches, ensure your length measurement is in inches.[8]
2 Calculate the volume of a cylinder with v = hπr2. Cylinders are smooth-sided objects with two circular faces of equal size. The formula v = hπr2 where v = volume, h = height, and r = the cylinder's radius (the distance from the center of either of the circular faces to its edge) gives the volume of a cylinder.[9] [10] Make sure your measurements for h and r are in inches.
3 Calculate the volume of a cone with v = (1/3)hπr2. Cones are smooth-sided objects with a circular base that tapers to a point. The formula v = hπr2/3 where v = volume, h = height, and r = the radius of the circular base gives the volume of a cone.[11] As above, ensure your measurements for h and r are in inches.
4 Calculate the volume of a sphere with v = 4/3πr3. Spheres are perfectly round 3-d objects. The equation v = 4/3πr3 where v = volume and r = the radius of the sphere (the distance from its center to its edge) gives the volume of a sphere.[12] As before, make sure your measurement for r is in inches.