How to Calculate the Square Feet of Land

To calculate the square footage of land first requires an accurate survey of the land boundaries. Although you can estimate this yourself, a survey will be considerably more precise and allow you to verify your own estimations. Surveys will typically give you the dimensions of your land in feet. By applying standard area formulas, you can calculate the area in square feet. For areas which are irregularly shaped, you can subdivide it into logical shapes and sum the respective areas.

Tape measure

Instructions

- 1
  Acquire a survey of your land that will display an accurate schematic of your land perimeter. If you do not care about absolute precision, you can draw a sketch of your land's layout and measure the length of each side in feet using a tape measure.
- 2
  Subdivide the land into basic shapes, such as rectangles and triangles.
- 3
  Calculate the area of each section. For rectangular sections, multiply the width times the height. For triangular sections, multiply the base times the height, and divide the measurement by two. As an example, if you had a 100-foot by 50-foot rectangular section and a 50-foot by 50-foot triangular section, you would have areas of 5,000 and 1,250 square feet, respectively.
- 4
  Add each section area to calculate the total area. In the example, your total would be 6,250 square feet.

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