Surface Area of a Rectangular Prism Formula: Surface Area of a Rectangular Prism = (2 * Side 1 * Side 2) + (2 * Side 2 * Side 3) + (2 * Side 1 * Side 3)

Surface Area of a Rectangular Prism Definition The Surface Area of a Rectangular Prism Calculator will calculate the surface area of a rectangular prism if you enter in the length of sides 1, 2, and 3. A rectangular prism is a solid geometric object that has 6 rectangular faces. Every angle of a rectangular prism is a right angle (90 degree angle). Rectangular prisms can also be called cuboids.

How to Calculate Surface Area of a Rectangular Prism Let's be honest - sometimes the best surface area of a rectangular prism calculator is the one that is easy to use and doesn't require us to even know what the surface area of a rectangular prism formula is in the first place! But if you want to know the exact formula for calculating surface area of a rectangular prism then please check out the "Formula" box above.