How Much Material Do You Need?

Basic formulas for area calculations.

For estimating quantity needed for irregular areas break the area up into smaller workable shapes. Measure each of them and assign them a letter. Calculate square feet for each and add the square footage together to figure total needed.

Area by Shape

Rectangle area = length x width

Circle area = Pi x Radius Squared

Triangle area = (length x width) / 2

Ellipse area = ½ length x ½ width x Pi

Parabola area = ⅔ side x height

Pi = 3.1416

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707 Short St, Columbus, OH 43215
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4099 E. 5th Ave, Columbus, OH 43219
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