{
  "entity_type": "unit_conversion_page",
  "id": "square-yards-to-square-feet",
  "name": "Square yards to Square feet",
  "title": "Square yards to Square feet Converter (yd² to ft²)",
  "description": "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.",
  "quantity": "area",
  "quantity_name": "Area",
  "base_unit": "m2",
  "from_unit": {
    "symbol": "yd2",
    "display": "yd²",
    "name": "square yards",
    "singular": "square yard"
  },
  "to_unit": {
    "symbol": "ft2",
    "display": "ft²",
    "name": "square feet",
    "singular": "square foot"
  },
  "linear": true,
  "factor": 9,
  "inverse_factor": 0.1111111111,
  "formula": "square feet = square yards × 9",
  "reverse_formula": "square yards = square feet × 0.1111111111",
  "unit_relation": "1 yd² = 9 ft²",
  "examples": [
    {
      "value": 5,
      "result": 45,
      "text": "5 yd² = 45 ft²"
    },
    {
      "value": 12.5,
      "result": 112.5,
      "text": "12.5 yd² = 112.5 ft²"
    },
    {
      "value": 100,
      "result": 900,
      "text": "100 yd² = 900 ft²"
    }
  ],
  "table": [
    {
      "yd2": 1,
      "ft2": 9
    },
    {
      "yd2": 2,
      "ft2": 18
    },
    {
      "yd2": 3,
      "ft2": 27
    },
    {
      "yd2": 4,
      "ft2": 36
    },
    {
      "yd2": 5,
      "ft2": 45
    },
    {
      "yd2": 6,
      "ft2": 54
    },
    {
      "yd2": 7,
      "ft2": 63
    },
    {
      "yd2": 8,
      "ft2": 72
    },
    {
      "yd2": 9,
      "ft2": 81
    },
    {
      "yd2": 10,
      "ft2": 90
    },
    {
      "yd2": 15,
      "ft2": 135
    },
    {
      "yd2": 20,
      "ft2": 180
    },
    {
      "yd2": 25,
      "ft2": 225
    },
    {
      "yd2": 30,
      "ft2": 270
    },
    {
      "yd2": 40,
      "ft2": 360
    },
    {
      "yd2": 50,
      "ft2": 450
    },
    {
      "yd2": 75,
      "ft2": 675
    },
    {
      "yd2": 100,
      "ft2": 900
    },
    {
      "yd2": 200,
      "ft2": 1800
    },
    {
      "yd2": 250,
      "ft2": 2250
    },
    {
      "yd2": 500,
      "ft2": 4500
    },
    {
      "yd2": 1000,
      "ft2": 9000
    }
  ],
  "faq": [
    {
      "q": "How many square feet are in one square yard?",
      "a": "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."
    },
    {
      "q": "What is the formula to convert square yards to square feet?",
      "a": "Multiply the value in square yards by 9: square feet = square yards × 9. For example, 5 yd² = 45 ft²."
    },
    {
      "q": "How do I convert square feet back to square yards?",
      "a": "Multiply by the inverse factor 0.1111111111 (square yards = square feet × 0.1111111111), or use the square feet-to-square yards page."
    }
  ],
  "sources": [
    {
      "name": "NIST Special Publication 811 – Guide for the Use of the International System of Units (SI), Appendix B conversion factors",
      "url": "https://www.nist.gov/pml/special-publication-811",
      "type": "standard",
      "retrieved_at": "2026-09-24"
    },
    {
      "name": "BIPM – The International System of Units (SI Brochure, 9th edition)",
      "url": "https://www.bipm.org/en/publications/si-brochure",
      "type": "standard",
      "retrieved_at": "2026-09-24"
    },
    {
      "name": "Wikipedia – Conversion of units",
      "url": "https://en.wikipedia.org/wiki/Conversion_of_units",
      "type": "reference",
      "retrieved_at": "2026-09-24"
    }
  ],
  "freshness": {
    "type": "static",
    "max_age_seconds": null,
    "note": "Fixed conversion factors (NIST/BIPM definitions); results never go stale."
  },
  "api": {
    "convert": "https://tttkmbb.com/api/v1/convert?value=5&from_unit=yd2&to_unit=ft2",
    "calculator": "https://tttkmbb.com/api/v1/calculate/area?value=5&from_unit=yd2&to_unit=ft2",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "yd2",
      "to_unit": "ft2"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/square-yards-to-square-feet",
    "markdown": "https://tttkmbb.com/conversion/square-yards-to-square-feet.md",
    "json": "https://tttkmbb.com/conversion/square-yards-to-square-feet.json",
    "reverse": "https://tttkmbb.com/conversion/square-feet-to-square-yards",
    "quantity_converter": "https://tttkmbb.com/conversion/area",
    "units": "https://tttkmbb.com/api/v1/units?quantity=area"
  },
  "timestamp": "2026-09-24"
}