Things You Will Need
Knowing the exact amount of sand that you need could help you save time and money.
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Determine the measurements of the space. You will need length, width and depth. Your depth will be how deep you want the sand.
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Convert all of your measurements into feet. Use decimals for your inches. For example, 4 inches would be .33 feet. Divide your inches by 12 to get your decimals.
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Multiply length x width x thickness to find the volume or cubic footage of the area.
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Calculate your cubic yardage by dividing your cubic feet by 27. There are 27 cubic feet in 1 cubic yard, and dividing by 27 will give you your cubic yardage.