## Rectangular Prism Surface Area Calculator

Find the surface area of a rectangular prism with this Rectangular Prism Surface Area Calculator.

## How do you find the surface area of a rectangular prism?

To find the surface area, use this rectangular prism surface area

formula:

Surface Area =

[(Length x Width) + (Length x Height) +
(Width x Height)] x 2

Example: The surface area of a
rectangular prism with length of

3 inches, width of 4 inches, and
height of 5 inches:

Surface Area = [(3 x 4) + (3 x 5) + (4 x 5)]
x 2

Calculated out this gives a surface area of 94 Square
Inches.