1. Divide the number of square feet by 9 to calculate the equivalent in square yards. For example, if you have 90 square feet, divide 90 by 9 to get 10 square yards. 2. Divide the
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Measure the height of the wall from floor to ceiling. Measure the width of the wall. Multiply height x width = square footage. For square yards, divide the square footage by 9.
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You multiple the width by the length.
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1. Measure, in feet, the length of one wall you will paint. Measure the height of that wall, in feet. Write down both measurements. Multiply those measurements to find the number
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