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Square yards to square feet

Multiply square yards by 9 to get square feet.

1 yd² = 9 ft²NIST HB 44
yd²
180ft²

20 yd² = 180 ft²

How to convert square yards to square feet

The square foot is exactly 0.09290304 m² (0.3048 m squared), by the 1959 agreement. The square yard is a square one yard on each side, exactly 0.83612736 m² (nine square feet).

Worked example — 20 yd²: 20 × 9 = 180 ft².

Square yards to square feet table

Common conversions.
Square yardsSquare feet
1 yd²9 ft²
2 yd²18 ft²
5 yd²45 ft²
10 yd²90 ft²
20 yd²180 ft²
50 yd²450 ft²
100 yd²900 ft²
200 yd²1,800 ft²
500 yd²4,500 ft²

Reverse and related

About square yards and square feet

Square yard (yd²)

1 yd² = 9 ft²

Definition. A square one yard on each side, exactly 0.83612736 m² (nine square feet)

History and origin

The square yard is the area of a square one yard on each side, tied to the yard fixed at 0.9144 m in 1959. It equals exactly nine square feet.

Current use

Square yards are used for carpet, flooring and turf in the US and UK, where ground cover and fabric are often sold by the square yard.

Source: NIST Handbook 44, Appendix C (area); 1959 yard-and-pound agreement

Square foot (ft²)

1 ft² = 0.111111 yd²

Definition. Exactly 0.09290304 m² (0.3048 m squared), by the 1959 agreement

History and origin

The square foot is the area of a square one foot on each side, tied to the international foot fixed in 1959. It equals exactly 0.09290304 square metres.

Current use

Square feet are the standard measure for real estate, flooring and carpet in the United States.

Source: NIST Handbook 44, Appendix C (area); 1959 yard-and-pound agreement

Where people use this

Square yards: carpet and flooring, landscaping and turf. Square feet: US real estate, flooring and carpet. 1 square yard is exactly 9 square feet.

How we know this is right
The factor is fixed by the standards that define the units, not chosen — so it is exact, not a measurement:
1 ft² = 0.1111111111 yd², so 1 yd² = 1 ÷ 0.1111111111 = 9 ft².

Every value is carried to full double precision; the display is rounded.

Both units are defined in NIST Handbook 44, Appendix C (area); 1959 yard-and-pound agreement.

Questions people ask

How many square feet in a square yard?

One square yard is exactly 9 square feet.

How many sq ft is 10 sq yd?

10 square yards is 90 square feet.

How many square yards is 100 sq ft?

100 square feet is about 11.1 square yards.

All square yard conversions