Volume of a Rectangular Prism V = l × w × h. Length Width Height Volume 24 Step-by-step with your numbers: 1. Values used: 2. Length = 4 3. Width = 3 4. Height = 2 5. Volume = Length x Width x Height = 4 x 3 x 2 = 24 Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Box volume. FAQ Cube? All sides equal. Related calculators Rectangular Prism Calculator Volume, surface area and diagonal of a box. Volume of a Cube Calculator V = a³.