Cuboid (Rectangular Box) Volume & Surface Area

Free cuboid (rectangular box) volume & surface area calculator β€” instantly compute volume and surface area.

Results

Volumeβ€”
Total surface areaβ€”
Space diagonalβ€”

How to use the Cuboid

  1. Enter or select: Length, Width, Height.
  2. The results (Volume, Total surface area, Space diagonal) are calculated instantly as you type.
  3. Use β€œCopy link” to share the calculation with the same input values.

Formula

  • V = abh
  • A = 2(ab + ah + bh)