Volume of a Cube Calculator V = a³. Edge Volume 64 Step-by-step with your numbers: 1. Values used: 2. Edge = 4 3. Volume = Edge cubed = 4 x 4 x 4 = 64 Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Cube volume. FAQ Surface? 6a². Related calculators Cube Calculator Find a cube's volume, surface area and diagonal. Rectangular Prism Calculator Volume, surface area and diagonal of a box. Sphere Volume Calculator V = 4/3 π r³.