Sphere Volume Calculator V = 4/3 π r³. Radius Volume 523.6 Step-by-step with your numbers: 1. Values used: 2. Radius = 5 3. Volume = 523.6 Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Sphere volume. FAQ Surface? Use the Sphere Calculator. Related calculators Sphere Calculator Find a sphere's volume and surface area. Hemisphere Calculator Volume and surface area of a hemisphere. Volume of a Cube Calculator V = a³.