Home › Unit Conversion › Square yards to Square feet
Square yards to Square feet (yd² to ft²)
Convert square yards to square feet: 1 yd² = 9 ft². Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 yd² = 9 ft²
square feet = square yards × 9 — reverse: square yards = square feet × 0.1111111111
The factor is derived from the SI definitions of both units (base unit: m2) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 yd² = 45 ft²
- 12.5 yd² = 112.5 ft²
- 100 yd² = 900 ft²
Square yards to square feet conversion table
| Square yards (yd²) | Square feet (ft²) |
|---|---|
| 1 | 9 |
| 2 | 18 |
| 3 | 27 |
| 4 | 36 |
| 5 | 45 |
| 6 | 54 |
| 7 | 63 |
| 8 | 72 |
| 9 | 81 |
| 10 | 90 |
| 15 | 135 |
| 20 | 180 |
| 25 | 225 |
| 30 | 270 |
| 40 | 360 |
| 50 | 450 |
| 75 | 675 |
| 100 | 900 |
| 200 | 1800 |
| 250 | 2250 |
| 500 | 4500 |
| 1000 | 9000 |
FAQ
How many square feet are in one square yard?
1 yd² = 9 ft². The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert square yards to square feet?
Multiply the value in square yards by 9: square feet = square yards × 9. For example, 5 yd² = 45 ft².
How do I convert square feet back to square yards?
Multiply by the inverse factor 0.1111111111 (square yards = square feet × 0.1111111111), or use the square feet-to-square yards page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=yd2&to_unit=ft2 - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"yd2","to_unit":"ft2"} - Markdown: https://tttkmbb.com/conversion/square-yards-to-square-feet.md · JSON: https://tttkmbb.com/conversion/square-yards-to-square-feet.json (add
?value=for a result) · Units: /api/v1/units?quantity=area - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.