CCalclabhub

Geometry

Lateral surface area

Only the four upright faces, leaving the top and bottom uncovered.

The Formula

A lateral = 4 x s^2

Only the four upright faces, leaving the top and bottom uncovered.

SymbolMeaning
A lateralLateral area
sEdge length

What Each Symbol Means

A lateralsquare units

Lateral area

Area of the four vertical faces.

sunits

Edge length

Length of one edge of the cube.

See It Worked With Real Numbers

A formula on its own does not tell you which number goes where. The how to calculate the surface area of a cube page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.

Where This Formula Appears

This equation is the working core of How To Calculate The Surface Area Of A Cube, filed under Math. Every number the guide produces comes from substituting into this one line.