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`SA = 2( "l" * "h" + "l" * "d" + "d" * "h" )`

Enter a value for all fields

The **Surface Area of a Box** calculator * Rectangular Parallelepiped a.k.a. a box* computes the surface area (

**INSTRUCTIONS:** Choose your preferred units and enter the following:

- (
**l**) This is the length of the box. - (
**h**) This is the height of the box. - (
**d**) This is the depth of the box.

**Surface Area:** The surface area (**SA**) is returned in square meters. However, this can be automatically converted into many other area units (e.g. square feet, acres) via the pull-down menu.

**Related Calculators:**

- For the Volume of a Box, CLICK HERE.
- For the Diagonal of a Box shaped object, CLICK HERE.