{
  "entity_type": "unit_conversion_page",
  "id": "bar-to-kpa",
  "name": "Bar to Kilopascals",
  "title": "Bar to Kilopascals Converter (bar to kPa)",
  "description": "Convert bar to kilopascals: 1 bar = 100 kPa. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "pressure",
  "quantity_name": "Pressure",
  "base_unit": "Pa",
  "from_unit": {
    "symbol": "bar",
    "display": "bar",
    "name": "bar",
    "singular": "bar"
  },
  "to_unit": {
    "symbol": "kPa",
    "display": "kPa",
    "name": "kilopascals",
    "singular": "kilopascal"
  },
  "linear": true,
  "factor": 100,
  "inverse_factor": 0.01,
  "formula": "kilopascals = bar × 100",
  "reverse_formula": "bar = kilopascals × 0.01",
  "unit_relation": "1 bar = 100 kPa",
  "examples": [
    {
      "value": 5,
      "result": 500,
      "text": "5 bar = 500 kPa"
    },
    {
      "value": 12.5,
      "result": 1250,
      "text": "12.5 bar = 1250 kPa"
    },
    {
      "value": 100,
      "result": 10000,
      "text": "100 bar = 10000 kPa"
    }
  ],
  "table": [
    {
      "bar": 1,
      "kPa": 100
    },
    {
      "bar": 2,
      "kPa": 200
    },
    {
      "bar": 3,
      "kPa": 300
    },
    {
      "bar": 4,
      "kPa": 400
    },
    {
      "bar": 5,
      "kPa": 500
    },
    {
      "bar": 6,
      "kPa": 600
    },
    {
      "bar": 7,
      "kPa": 700
    },
    {
      "bar": 8,
      "kPa": 800
    },
    {
      "bar": 9,
      "kPa": 900
    },
    {
      "bar": 10,
      "kPa": 1000
    },
    {
      "bar": 15,
      "kPa": 1500
    },
    {
      "bar": 20,
      "kPa": 2000
    },
    {
      "bar": 25,
      "kPa": 2500
    },
    {
      "bar": 30,
      "kPa": 3000
    },
    {
      "bar": 40,
      "kPa": 4000
    },
    {
      "bar": 50,
      "kPa": 5000
    },
    {
      "bar": 75,
      "kPa": 7500
    },
    {
      "bar": 100,
      "kPa": 10000
    },
    {
      "bar": 200,
      "kPa": 20000
    },
    {
      "bar": 250,
      "kPa": 25000
    },
    {
      "bar": 500,
      "kPa": 50000
    },
    {
      "bar": 1000,
      "kPa": 100000
    }
  ],
  "faq": [
    {
      "q": "How many kilopascals are in one bar?",
      "a": "1 bar = 100 kPa. 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 bar to kilopascals?",
      "a": "Multiply the value in bar by 100: kilopascals = bar × 100. For example, 5 bar = 500 kPa."
    },
    {
      "q": "How do I convert kilopascals back to bar?",
      "a": "Multiply by the inverse factor 0.01 (bar = kilopascals × 0.01), or use the kilopascals-to-bar 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=bar&to_unit=kPa",
    "calculator": "https://tttkmbb.com/api/v1/calculate/pressure?value=5&from_unit=bar&to_unit=kPa",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "bar",
      "to_unit": "kPa"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/bar-to-kpa",
    "markdown": "https://tttkmbb.com/conversion/bar-to-kpa.md",
    "json": "https://tttkmbb.com/conversion/bar-to-kpa.json",
    "reverse": "https://tttkmbb.com/conversion/kpa-to-bar",
    "quantity_converter": "https://tttkmbb.com/conversion/pressure",
    "units": "https://tttkmbb.com/api/v1/units?quantity=pressure"
  },
  "timestamp": "2026-09-24"
}