{
  "entity_type": "unit_conversion_page",
  "id": "liters-to-cups",
  "name": "Liters to US cups",
  "title": "Liters to US cups Converter (L to cup)",
  "description": "Convert liters to US cups: 1 L = 4.22675 cup. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "volume",
  "quantity_name": "Volume",
  "base_unit": "L",
  "from_unit": {
    "symbol": "L",
    "display": "L",
    "name": "liters",
    "singular": "liter"
  },
  "to_unit": {
    "symbol": "cup_us",
    "display": "cup",
    "name": "US cups",
    "singular": "cup"
  },
  "linear": true,
  "factor": 4.226752838,
  "inverse_factor": 0.2365882365,
  "formula": "US cups = liters × 4.226752838",
  "reverse_formula": "liters = US cups × 0.2365882365",
  "unit_relation": "1 L = 4.22675 cup",
  "examples": [
    {
      "value": 5,
      "result": 21.1338,
      "text": "5 L = 21.1338 cup"
    },
    {
      "value": 12.5,
      "result": 52.8344,
      "text": "12.5 L = 52.8344 cup"
    },
    {
      "value": 100,
      "result": 422.675,
      "text": "100 L = 422.675 cup"
    }
  ],
  "table": [
    {
      "L": 1,
      "cup_us": 4.22675
    },
    {
      "L": 2,
      "cup_us": 8.45351
    },
    {
      "L": 3,
      "cup_us": 12.6803
    },
    {
      "L": 4,
      "cup_us": 16.907
    },
    {
      "L": 5,
      "cup_us": 21.1338
    },
    {
      "L": 6,
      "cup_us": 25.3605
    },
    {
      "L": 7,
      "cup_us": 29.5873
    },
    {
      "L": 8,
      "cup_us": 33.814
    },
    {
      "L": 9,
      "cup_us": 38.0408
    },
    {
      "L": 10,
      "cup_us": 42.2675
    },
    {
      "L": 15,
      "cup_us": 63.4013
    },
    {
      "L": 20,
      "cup_us": 84.5351
    },
    {
      "L": 25,
      "cup_us": 105.669
    },
    {
      "L": 30,
      "cup_us": 126.803
    },
    {
      "L": 40,
      "cup_us": 169.07
    },
    {
      "L": 50,
      "cup_us": 211.338
    },
    {
      "L": 75,
      "cup_us": 317.006
    },
    {
      "L": 100,
      "cup_us": 422.675
    },
    {
      "L": 200,
      "cup_us": 845.351
    },
    {
      "L": 250,
      "cup_us": 1056.69
    },
    {
      "L": 500,
      "cup_us": 2113.38
    },
    {
      "L": 1000,
      "cup_us": 4226.75
    }
  ],
  "faq": [
    {
      "q": "How many US cups are in one liter?",
      "a": "1 L = 4.22675 cup. 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 liters to US cups?",
      "a": "Multiply the value in liters by 4.226752838: US cups = liters × 4.226752838. For example, 5 L = 21.1338 cup."
    },
    {
      "q": "How do I convert US cups back to liters?",
      "a": "Multiply by the inverse factor 0.2365882365 (liters = US cups × 0.2365882365), or use the US cups-to-liters 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=L&to_unit=cup_us",
    "calculator": "https://tttkmbb.com/api/v1/calculate/volume?value=5&from_unit=L&to_unit=cup_us",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "L",
      "to_unit": "cup_us"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/liters-to-cups",
    "markdown": "https://tttkmbb.com/conversion/liters-to-cups.md",
    "json": "https://tttkmbb.com/conversion/liters-to-cups.json",
    "reverse": "https://tttkmbb.com/conversion/cups-to-liters",
    "quantity_converter": "https://tttkmbb.com/conversion/volume",
    "units": "https://tttkmbb.com/api/v1/units?quantity=volume"
  },
  "timestamp": "2026-09-24"
}