{
  "entity_type": "unit_conversion_page",
  "id": "liters-to-imperial-gallons",
  "name": "Liters to Imperial gallons",
  "title": "Liters to Imperial gallons Converter (L to gal (UK))",
  "description": "Convert liters to imperial gallons: 1 L = 0.219969 gal (UK). 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": "gal_uk",
    "display": "gal (UK)",
    "name": "imperial gallons",
    "singular": "imperial gallon"
  },
  "linear": true,
  "factor": 0.2199692483,
  "inverse_factor": 4.54609,
  "formula": "imperial gallons = liters × 0.2199692483",
  "reverse_formula": "liters = imperial gallons × 4.54609",
  "unit_relation": "1 L = 0.219969 gal (UK)",
  "examples": [
    {
      "value": 5,
      "result": 1.09985,
      "text": "5 L = 1.09985 gal (UK)"
    },
    {
      "value": 12.5,
      "result": 2.74962,
      "text": "12.5 L = 2.74962 gal (UK)"
    },
    {
      "value": 100,
      "result": 21.9969,
      "text": "100 L = 21.9969 gal (UK)"
    }
  ],
  "table": [
    {
      "L": 1,
      "gal_uk": 0.219969
    },
    {
      "L": 2,
      "gal_uk": 0.439938
    },
    {
      "L": 3,
      "gal_uk": 0.659908
    },
    {
      "L": 4,
      "gal_uk": 0.879877
    },
    {
      "L": 5,
      "gal_uk": 1.09985
    },
    {
      "L": 6,
      "gal_uk": 1.31982
    },
    {
      "L": 7,
      "gal_uk": 1.53978
    },
    {
      "L": 8,
      "gal_uk": 1.75975
    },
    {
      "L": 9,
      "gal_uk": 1.97972
    },
    {
      "L": 10,
      "gal_uk": 2.19969
    },
    {
      "L": 15,
      "gal_uk": 3.29954
    },
    {
      "L": 20,
      "gal_uk": 4.39938
    },
    {
      "L": 25,
      "gal_uk": 5.49923
    },
    {
      "L": 30,
      "gal_uk": 6.59908
    },
    {
      "L": 40,
      "gal_uk": 8.79877
    },
    {
      "L": 50,
      "gal_uk": 10.9985
    },
    {
      "L": 75,
      "gal_uk": 16.4977
    },
    {
      "L": 100,
      "gal_uk": 21.9969
    },
    {
      "L": 200,
      "gal_uk": 43.9938
    },
    {
      "L": 250,
      "gal_uk": 54.9923
    },
    {
      "L": 500,
      "gal_uk": 109.985
    },
    {
      "L": 1000,
      "gal_uk": 219.969
    }
  ],
  "faq": [
    {
      "q": "How many imperial gallons are in one liter?",
      "a": "1 L = 0.219969 gal (UK). 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 imperial gallons?",
      "a": "Multiply the value in liters by 0.2199692483: imperial gallons = liters × 0.2199692483. For example, 5 L = 1.09985 gal (UK)."
    },
    {
      "q": "How do I convert imperial gallons back to liters?",
      "a": "Multiply by the inverse factor 4.54609 (liters = imperial gallons × 4.54609), or use the imperial gallons-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=gal_uk",
    "calculator": "https://tttkmbb.com/api/v1/calculate/volume?value=5&from_unit=L&to_unit=gal_uk",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "L",
      "to_unit": "gal_uk"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/liters-to-imperial-gallons",
    "markdown": "https://tttkmbb.com/conversion/liters-to-imperial-gallons.md",
    "json": "https://tttkmbb.com/conversion/liters-to-imperial-gallons.json",
    "reverse": "https://tttkmbb.com/conversion/imperial-gallons-to-liters",
    "quantity_converter": "https://tttkmbb.com/conversion/volume",
    "units": "https://tttkmbb.com/api/v1/units?quantity=volume"
  },
  "timestamp": "2026-09-24"
}