What Is a Square Yard Calculator?
A square yard calculator converts a rectangular area measured in feet into square yards. One square yard equals a square that is 3 feet on each side, so it contains 9 square feet. This tool is handy for estimating materials such as carpet, turf, concrete, gravel, mulch, and fabric, which are often priced per square yard.
How to Use It
Enter the length and width of your area in feet, then read the total area in square yards. The calculator also shows the equivalent area in square feet so you can cross-check against quotes or product packaging that uses either unit.
The Formula Explained
The area in square feet is length \(\times\) width. Since 1 square yard = 9 square feet, you divide the square footage by 9: square yards = (length \(\times\) width) \(\div\) 9. For non-rectangular spaces, break the area into rectangles, calculate each, and add them together.
$$\text{Square Yards} = \frac{\text{Length (ft)} \times \text{Width (ft)}}{9}$$
Worked Example
Suppose a room is 12 feet long and 9 feet wide. The area in square feet is \(12 \times 9 = 108\) ft². Dividing by 9 gives \(108 \div 9 =\) 12 square yards. If carpet costs $25 per square yard, the material cost would be \(12 \times \$25 = \$300\).
$$\text{Square Yards} = \frac{12 \times 9}{9} = 12$$
FAQ
How many square feet are in a square yard? Exactly 9 square feet, because a yard is 3 feet and \(3 \times 3 = 9\).
Can I enter measurements that aren't in feet? This tool expects feet. Convert other units first — for example, divide inches by 12 to get feet before entering.
Should I add extra for waste? For flooring and carpet, adding 5–10% extra is common to account for cuts and seams. Multiply your square yard result accordingly.