# Surface Area

Surface area is the area of a surface that lies in three-dimensional space, or the total area of all surfaces that bound a solid.

Surface area is an elementary-school-level concept. It is listed in the California State Standards for Grade 5.

### Prerequisites

Area: | Area is a measure of the amount of material that would be needed to "cover" a surface completely. |

Surface: | A surface is a two-dimensional piece of three-dimensional space. |