{
  "entity_type": "unit_conversion_page",
  "id": "grams-to-lbs",
  "name": "Grams to Pounds",
  "title": "Grams to Pounds Converter (g to lb)",
  "description": "Convert grams to pounds: 1 g = 0.00220462 lb. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "mass",
  "quantity_name": "Mass",
  "base_unit": "kg",
  "from_unit": {
    "symbol": "g",
    "display": "g",
    "name": "grams",
    "singular": "gram"
  },
  "to_unit": {
    "symbol": "lb",
    "display": "lb",
    "name": "pounds",
    "singular": "pound"
  },
  "linear": true,
  "factor": 0.002204622622,
  "inverse_factor": 453.59237,
  "formula": "pounds = grams × 0.002204622622",
  "reverse_formula": "grams = pounds × 453.59237",
  "unit_relation": "1 g = 0.00220462 lb",
  "examples": [
    {
      "value": 5,
      "result": 0.0110231,
      "text": "5 g = 0.0110231 lb"
    },
    {
      "value": 12.5,
      "result": 0.0275578,
      "text": "12.5 g = 0.0275578 lb"
    },
    {
      "value": 100,
      "result": 0.220462,
      "text": "100 g = 0.220462 lb"
    }
  ],
  "table": [
    {
      "g": 1,
      "lb": 0.00220462
    },
    {
      "g": 2,
      "lb": 0.00440925
    },
    {
      "g": 3,
      "lb": 0.00661387
    },
    {
      "g": 4,
      "lb": 0.00881849
    },
    {
      "g": 5,
      "lb": 0.0110231
    },
    {
      "g": 6,
      "lb": 0.0132277
    },
    {
      "g": 7,
      "lb": 0.0154324
    },
    {
      "g": 8,
      "lb": 0.017637
    },
    {
      "g": 9,
      "lb": 0.0198416
    },
    {
      "g": 10,
      "lb": 0.0220462
    },
    {
      "g": 15,
      "lb": 0.0330693
    },
    {
      "g": 20,
      "lb": 0.0440925
    },
    {
      "g": 25,
      "lb": 0.0551156
    },
    {
      "g": 30,
      "lb": 0.0661387
    },
    {
      "g": 40,
      "lb": 0.0881849
    },
    {
      "g": 50,
      "lb": 0.110231
    },
    {
      "g": 75,
      "lb": 0.165347
    },
    {
      "g": 100,
      "lb": 0.220462
    },
    {
      "g": 200,
      "lb": 0.440925
    },
    {
      "g": 250,
      "lb": 0.551156
    },
    {
      "g": 500,
      "lb": 1.10231
    },
    {
      "g": 1000,
      "lb": 2.20462
    }
  ],
  "faq": [
    {
      "q": "How many pounds are in one gram?",
      "a": "1 g = 0.00220462 lb. 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 grams to pounds?",
      "a": "Multiply the value in grams by 0.002204622622: pounds = grams × 0.002204622622. For example, 5 g = 0.0110231 lb."
    },
    {
      "q": "How do I convert pounds back to grams?",
      "a": "Multiply by the inverse factor 453.59237 (grams = pounds × 453.59237), or use the pounds-to-grams 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=g&to_unit=lb",
    "calculator": "https://tttkmbb.com/api/v1/calculate/mass?value=5&from_unit=g&to_unit=lb",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "g",
      "to_unit": "lb"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/grams-to-lbs",
    "markdown": "https://tttkmbb.com/conversion/grams-to-lbs.md",
    "json": "https://tttkmbb.com/conversion/grams-to-lbs.json",
    "reverse": "https://tttkmbb.com/conversion/lbs-to-grams",
    "quantity_converter": "https://tttkmbb.com/conversion/mass",
    "units": "https://tttkmbb.com/api/v1/units?quantity=mass"
  },
  "timestamp": "2026-09-24"
}