Square Yards to Square Feet Converter
Convert square yards to square feet — multiply by nine. Results update as you type; exact factors shown.
One square yard is 9 square feet — see the exact factor, not a rounded rule of thumb.
How the square yards to square feet converter works
Areas convert through the square metre. Because the inch is exactly 25.4 mm, a square foot is exactly 0.09290304 m², an acre (43,560 square feet) is exactly 4,046.8564224 m² and a square mile (640 acres) is 2,589,988.110336 m². A hectare is 10,000 m² by definition.
Australia is fully metric under the National Measurement Act 1960; imperial units appear only in trade with the US and in older documents.
Common area conversions
| From | To | Units |
|---|---|---|
| 1 yd² | 9 ft² | square yard to square feet |
| 2 yd² | 18 ft² | square yards to square feet |
| 5 yd² | 45 ft² | square yards to square feet |
| 10 yd² | 90 ft² | square yards to square feet |
| 20 yd² | 180 ft² | square yards to square feet |
| 25 yd² | 225 ft² | square yards to square feet |
| 50 yd² | 450 ft² | square yards to square feet |
| 75 yd² | 675 ft² | square yards to square feet |
| 100 yd² | 900 ft² | square yards to square feet |
| 150 yd² | 1,350 ft² | square yards to square feet |
| 200 yd² | 1,800 ft² | square yards to square feet |
| 500 yd² | 4,500 ft² | square yards to square feet |
Units in this converter and their exact factors
| Unit | Symbol | One unit in square metres |
|---|---|---|
| square millimetre | mm² | 0.000001 square metre |
| square centimetre | cm² | 0.0001 square metre |
| square metre | m² | 1 square metre |
| hectare | ha | 10,000 square metre |
| square kilometre | km² | 1,000,000 square metre |
| square inch | in² | 0.00064516 square metre |
| square foot | ft² | 0.09290304 square metre |
| square yard | yd² | 0.83612736 square metre |
| acre | ac | 4,046.8564224 square metre |
| square mile | mi² | 2,589,988.110336 square metre |
FAQFrequently asked questions about area conversion
How many square feet in a square yard?
Nine.
Why nine and not three?
Because area is squared: three feet each way gives 3 × 3 = 9.
What is 50 square yards in square feet?
450.
Where is this used?
Carpet, turf and concrete, all sold by the yard in the US.
How many square yards in an acre?
4,840.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Measurement Institute (NMI) — Australia's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.