Volume of rectangle: Find the volume

Find the volume, surface area, and diagonal of a rectangular prism using this online tool. Enter the dimensions of the rectangle and get the results instantly with formulas and examples. Volume of a Box Calculator Use this box volume calculator to easily calculate the volume of a rectangular box or tank from its length, width and height (depth) in any metric: mm, cm, meters, km, inches, feet, yards, miles... Useful for shipping dimensions in cubic meters / feet. Enter the length, width and height of a rectangular shape and get the volume in different units. See the formula, the graphic and the conversion factors for volume calculation. Learn how to calculate the Volume of Rectangle using simple formulas. Use our volume of rectangle formula with side length input and step-by-step solutions.