Rectangular Prism Surface Area Calculator

Enter the dimensions of a rectangular prism to calculate its surface area.

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Surface Area:

square units
Formula used: Surface Area = 2lw + 2lh + 2wh
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Enter dimensions to calculate surface area.

Understanding Rectangular Prism Surface Area

A rectangular prism is a 3D shape with six rectangular faces. To find its surface area, you calculate the area of each face and add them together. The formula, Surface Area = 2lw + 2lh + 2wh, simplifies this by considering pairs of identical faces: two faces with area length × width (lw), two with length × height (lh), and two with width × height (wh).

This calculator helps you quickly determine the total surface area by simply inputting the width, length, and height of your rectangular prism. It's useful in various applications, from packaging design to construction projects, where knowing the surface area is crucial.

Example Use Cases:

  • Calculating the material needed to wrap a box.
  • Estimating the paint required to cover a rectangular object.
  • Determining the amount of fabric for a rectangular tent.

Learn more about rectangular prisms and surface area on resources like Wikipedia and educational math sites.