How to Calculate Linear Feet of Wall Space

When installing molding, wainscoting, wallpaper or other decorative elements, it is important to know a wall's measurements in linear feet. When hanging art in galleries or displaying merchandise for sale in a retail space, it is important to know the amount of usable wall space. A linear foot is a measurement which is used to calculate the total length of a wall without concern for its height or any other factor. To calculate your total wall space in linear feet, you will require a bit of mathematical ability and some basic tools.

Tape measure
Calculator

Instructions

- 1
  Use your tape measure to record the length of your wall in inches. Measure the full distance from one end of the wall to the other.
- 2
  Use your tape measure to record the length of every portion of the wall's surface in inches. For example, if your wall turns a corner, has a protruding notch, or a recessed notch, each of these must be measured as well. The idea is to measure and record every inch of the wall's surface in a straight line, from one end to the other, including its bends and edges.
- 3
  Use your calculator to add up each of the measurements obtained in steps 1 and 2. Divide the sum by 12 inches to convert it into feet. The sum will equal the total wall space in linear feet.

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