{
  "entity_type": "unit_conversion_page",
  "id": "tonnes-to-lbs",
  "name": "Metric tons (tonnes) to Pounds",
  "title": "Metric tons (tonnes) to Pounds Converter (t to lb)",
  "description": "Convert metric tons (tonnes) to pounds: 1 t = 2204.62 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": "t",
    "display": "t",
    "name": "metric tons (tonnes)",
    "singular": "tonne"
  },
  "to_unit": {
    "symbol": "lb",
    "display": "lb",
    "name": "pounds",
    "singular": "pound"
  },
  "linear": true,
  "factor": 2204.622622,
  "inverse_factor": 0.00045359237,
  "formula": "pounds = metric tons (tonnes) × 2204.622622",
  "reverse_formula": "metric tons (tonnes) = pounds × 0.00045359237",
  "unit_relation": "1 t = 2204.62 lb",
  "examples": [
    {
      "value": 5,
      "result": 11023.1,
      "text": "5 t = 11023.1 lb"
    },
    {
      "value": 12.5,
      "result": 27557.8,
      "text": "12.5 t = 27557.8 lb"
    },
    {
      "value": 100,
      "result": 220462,
      "text": "100 t = 220462 lb"
    }
  ],
  "table": [
    {
      "t": 1,
      "lb": 2204.62
    },
    {
      "t": 2,
      "lb": 4409.25
    },
    {
      "t": 3,
      "lb": 6613.87
    },
    {
      "t": 4,
      "lb": 8818.49
    },
    {
      "t": 5,
      "lb": 11023.1
    },
    {
      "t": 6,
      "lb": 13227.7
    },
    {
      "t": 7,
      "lb": 15432.4
    },
    {
      "t": 8,
      "lb": 17637
    },
    {
      "t": 9,
      "lb": 19841.6
    },
    {
      "t": 10,
      "lb": 22046.2
    },
    {
      "t": 15,
      "lb": 33069.3
    },
    {
      "t": 20,
      "lb": 44092.5
    },
    {
      "t": 25,
      "lb": 55115.6
    },
    {
      "t": 30,
      "lb": 66138.7
    },
    {
      "t": 40,
      "lb": 88184.9
    },
    {
      "t": 50,
      "lb": 110231
    },
    {
      "t": 75,
      "lb": 165347
    },
    {
      "t": 100,
      "lb": 220462
    },
    {
      "t": 200,
      "lb": 440925
    },
    {
      "t": 250,
      "lb": 551156
    },
    {
      "t": 500,
      "lb": 1102310
    },
    {
      "t": 1000,
      "lb": 2204620
    }
  ],
  "faq": [
    {
      "q": "How many pounds are in one tonne?",
      "a": "1 t = 2204.62 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 metric tons (tonnes) to pounds?",
      "a": "Multiply the value in metric tons (tonnes) by 2204.622622: pounds = metric tons (tonnes) × 2204.622622. For example, 5 t = 11023.1 lb."
    },
    {
      "q": "How do I convert pounds back to metric tons (tonnes)?",
      "a": "Multiply by the inverse factor 0.00045359237 (metric tons (tonnes) = pounds × 0.00045359237), or use the pounds-to-metric tons (tonnes) 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=t&to_unit=lb",
    "calculator": "https://tttkmbb.com/api/v1/calculate/mass?value=5&from_unit=t&to_unit=lb",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "t",
      "to_unit": "lb"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/tonnes-to-lbs",
    "markdown": "https://tttkmbb.com/conversion/tonnes-to-lbs.md",
    "json": "https://tttkmbb.com/conversion/tonnes-to-lbs.json",
    "reverse": "https://tttkmbb.com/conversion/lbs-to-tonnes",
    "quantity_converter": "https://tttkmbb.com/conversion/mass",
    "units": "https://tttkmbb.com/api/v1/units?quantity=mass"
  },
  "timestamp": "2026-09-24"
}