This free online calculator will help you to find the area of a rectangular prism surface.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find rectangular prism (cuboid) surface area.

Calculator

Guide

Some theory

Calculation of Rectangular Prism Area

Enter the value of Rectangular prism side

a =

b =

h =

Entering data into the rectangular prism area calculator

You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.

N.B. In online calculator you can use the value in the same units of measurement!