Convert ft² to yd² Instantly
Use this Square Feet to Square Yards calculator to convert floor, carpet, lawn, concrete, roofing or land area from square feet (ft²) into square yards (yd²). The conversion is exact and simple: 9 square feet = 1 square yard. You can also reverse the conversion, calculate a rectangular project from feet-based dimensions, and compare the same area across common units.
Convert ft² to yd², reverse square yards to square feet, calculate rectangular project area, or compare area across multiple units.
Enter any area in square feet. The calculator divides the value by 9 and displays the equivalent square yards.
Example: 100 ft²
Choose result precision
Square feet ÷ 9 = square yards
Enter square yards to reverse the calculation. Every square yard contains exactly 9 square feet.
Example: 12 yd²
Choose display precision
1 yd² = 9 ft²
Enter length and width in feet. The tool calculates square feet first, adds an optional project allowance, then converts the adjusted area to square yards.
Example: 15 ft
Example: 12 ft
For cuts, waste or contingency
Enter square feet once to compare square yards, square meters, acres, square inches and other area units.
Example: 1,000 ft²
Used for the main result
Exact US customary relationship
Every square yard contains exactly nine square feet, so the conversion does not depend on an approximate factor.
Convert floor area, carpet measurements, tile plans and interior estimates from ft² to yd².
Compare lawn, turf, landscaping and surface coverage when quotes use different area units.
Calculator cards, tables and FAQs are responsive for desktop, tablet and smaller phone screens.
Converting square feet to square yards is one of the simplest area conversions used in construction, flooring, carpeting, landscaping and property measurement. The relationship is based on the fact that one yard is three feet. A square yard is therefore a square that measures three feet long and three feet wide. Multiplying those dimensions gives nine square feet.
Example: 180 ft² ÷ 9 = 20 yd².
If you know the square-yard value and need square feet instead, reverse the operation. Multiply square yards by 9. For example, 25 yd² × 9 = 225 ft². Because the relationship between feet and yards is exact, these calculations do not introduce conversion uncertainty; only the original measurements and any rounding you choose affect the displayed result.
The table below provides common ft² to yd² conversions. Exact whole-number square yards occur whenever the square-foot value is divisible by 9. Other values repeat as decimals because one ninth is a recurring decimal.
| Square Feet (ft²) | Square Yards (yd²) | Calculation | Typical Scale |
|---|---|---|---|
| 1 | 0.111111 | 1 ÷ 9 | Small sample |
| 9 | 1 | 9 ÷ 9 | 1 square yard |
| 18 | 2 | 18 ÷ 9 | Small area |
| 36 | 4 | 36 ÷ 9 | Small room section |
| 50 | 5.555556 | 50 ÷ 9 | Compact space |
| 90 | 10 | 90 ÷ 9 | Small room |
| 100 | 11.111111 | 100 ÷ 9 | Room / project |
| 180 | 20 | 180 ÷ 9 | Medium room |
| 250 | 27.777778 | 250 ÷ 9 | Large room |
| 500 | 55.555556 | 500 ÷ 9 | Multi-room area |
| 900 | 100 | 900 ÷ 9 | Large floor area |
| 1,000 | 111.111111 | 1000 ÷ 9 | Property / project |
| 2,000 | 222.222222 | 2000 ÷ 9 | Large project |
The easiest way to understand the conversion is to picture a square yard. Its length is one yard and its width is one yard. Since one yard equals three feet, the same square measures 3 feet by 3 feet. Area is calculated by multiplying length by width, so 3 × 3 = 9 square feet.
A yard is a unit of length.
1 yard = 3 feet.
The sides are 3 ft × 3 ft.
3 × 3 = 9 square feet.
Divide ft² by 9 to get yd².
This is why treating area like a one-dimensional length conversion gives the wrong result. A 12-foot length equals 4 yards, but 12 square feet does not equal 4 square yards. Instead, 12 ft² ÷ 9 = approximately 1.3333 yd².
Divide 72 by 9. The result is 8 square yards. This is an exact whole-number conversion because 72 is divisible by 9.
100 ÷ 9 = 11.111111... square yards. For many general estimates, this may be shown as 11.11 yd², but retain more precision if the number will be used in later calculations.
225 ÷ 9 = 25 yd². A room measuring 15 ft by 15 ft has an area of 225 ft², which is exactly 25 square yards.
1,500 ÷ 9 = 166.6667 yd² when rounded to four decimal places. This conversion can be useful when a property record uses square feet but a material estimate is discussed in square yards.
If a carpet quote lists 40 yd², multiply by 9 to get 360 ft². This makes it easier to compare the quoted coverage with a room or floor plan measured in square feet.
Square feet and square yards appear frequently in flooring work. Room dimensions are often measured in feet, so multiplying length by width naturally produces square feet. Some carpet, underlayment or installation quotes, however, may use square yards. Converting between the two lets you compare the net measured floor area with a quote expressed in another unit.
Net area is only the starting point for material ordering. Real installations may require extra material for seams, roll widths, pattern matching, offcuts, closets, irregular boundaries or installer layout. That is why the project calculator above includes an allowance option. If a 15 ft × 12 ft room has a net area of 180 ft² and you add a 10% allowance, the adjusted area becomes 198 ft², or 22 yd².
Do not assume that a material sold by the square yard can be purchased in any fractional shape. Product dimensions, package quantities, roll widths and supplier rules can affect the actual quantity you need. Use the conversion calculator for area mathematics, then apply the product-specific ordering method.
The same conversion works for lawns, artificial turf, landscape fabric, patio surfaces and other outdoor coverage. If your site plan provides square feet but a supplier quotes square yards, divide the square-foot total by 9. Conversely, multiply square yards by 9 when you need to compare a supplier quantity with measurements shown in square feet.
Irregular areas should be divided into simpler shapes such as rectangles, triangles or circles. Calculate each part, add the square-foot totals, and then convert the combined area to square yards. This approach is more reliable than estimating one oversized bounding rectangle, which can overstate the true surface area.
Square feet and square yards are convenient for building and site work, while acres are often easier for larger land areas and square meters are common in metric drawings and international specifications. Useful relationships include:
If your workflow moves between US customary and metric area units, use the multi-unit calculator rather than chaining several rounded intermediate conversions. Keeping the original value and converting directly helps reduce avoidable rounding differences.
This is the most common mistake. Three is the linear feet-to-yards factor; nine is the square-feet-to-square-yards factor.
Feet and yards describe length. Square feet and square yards describe area. A material width in linear feet cannot be converted into square yards without knowing a second dimension.
If a project has several rooms, convert or total using the full values first. Rounding every room too aggressively can create a larger combined difference.
The exact conversion does not automatically account for cuts, overlaps, pattern matching or unusable remnants. Treat those as separate project factors.
Square yards measure area; cubic yards measure volume. Concrete volume, for example, requires a thickness or depth in addition to surface dimensions. If you are estimating concrete, an area-only conversion is not enough.
Square feet are especially convenient when dimensions are measured in feet and when plans, property listings or construction documents report floor or surface area in ft².
Square yards are useful when a supplier, trade or material category uses yd², or when a larger unit makes the numeric value easier to read.
For a rectangular room, measure the length and width in feet and multiply them. A room that is 14 ft long and 11 ft wide has 154 ft² of net floor area. Divide by 9 to get approximately 17.1111 yd². For L-shaped rooms, split the plan into two rectangles and add their areas. For alcoves and closets, decide whether they are part of the material scope and include them consistently.
Measurements can be recorded in feet and decimal feet, or feet and inches. If you use feet and inches, convert the inch portion to feet before multiplying. Six inches equals 0.5 ft, so 12 ft 6 in is 12.5 ft. Keeping both dimensions in the same length unit prevents hidden errors in the area calculation.
Because many square-foot values are not divisible by 9, the square-yard result can contain a repeating decimal. Display precision should match the purpose of the calculation. Two decimals are often enough for a quick comparison, while four or more decimals may be useful in technical work or when the result is an intermediate value.
Material purchasing may require rounding up to whole packages, full rolls, full tiles or supplier-defined increments. That is a purchasing rule, not a unit-conversion rule. Keep the mathematical result separate from the quantity you actually order.
If 250 ft² ÷ 9 = 27.777777... yd², multiplying the unrounded result by 9 returns 250 ft².
| Square Yards | Square Feet | Formula |
|---|---|---|
| 1 yd² | 9 ft² | 1 × 9 |
| 5 yd² | 45 ft² | 5 × 9 |
| 10 yd² | 90 ft² | 10 × 9 |
| 20 yd² | 180 ft² | 20 × 9 |
| 25 yd² | 225 ft² | 25 × 9 |
| 50 yd² | 450 ft² | 50 × 9 |
| 100 yd² | 900 ft² | 100 × 9 |
| 250 yd² | 2,250 ft² | 250 × 9 |
| 500 yd² | 4,500 ft² | 500 × 9 |
Visualize one yard as three feet on both sides of a square.
Continue with related conversion tools when your project uses multiple units. These internal links help keep the original measurements and conversion steps clear.
The exact relationship used on this page follows the international definitions of the yard and foot. For broader guidance on measurement units and conversion practices, see the NIST Guide for the Use of the International System of Units and the BIPM measurement-units resources.
Use the mathematical conversion for unit equivalence, then follow the tolerances, product dimensions and ordering rules that apply to your specific project.
Quick answers to common ft² to yd² conversion questions.