{
  "entity_type": "unit_conversion_page",
  "id": "ps-to-hp",
  "name": "Metric horsepower (PS) to Horsepower (mechanical)",
  "title": "Metric horsepower (PS) to Horsepower (mechanical) Converter (PS to hp)",
  "description": "Convert metric horsepower (PS) to horsepower (mechanical): 1 PS = 0.98632 hp. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "power",
  "quantity_name": "Power",
  "base_unit": "W",
  "from_unit": {
    "symbol": "hp_metric",
    "display": "PS",
    "name": "metric horsepower (PS)",
    "singular": "metric horsepower"
  },
  "to_unit": {
    "symbol": "hp",
    "display": "hp",
    "name": "horsepower (mechanical)",
    "singular": "horsepower"
  },
  "linear": true,
  "factor": 0.9863200706,
  "inverse_factor": 1.013869665,
  "formula": "horsepower (mechanical) = metric horsepower (PS) × 0.9863200706",
  "reverse_formula": "metric horsepower (PS) = horsepower (mechanical) × 1.013869665",
  "unit_relation": "1 PS = 0.98632 hp",
  "examples": [
    {
      "value": 5,
      "result": 4.9316,
      "text": "5 PS = 4.9316 hp"
    },
    {
      "value": 12.5,
      "result": 12.329,
      "text": "12.5 PS = 12.329 hp"
    },
    {
      "value": 100,
      "result": 98.632,
      "text": "100 PS = 98.632 hp"
    }
  ],
  "table": [
    {
      "hp_metric": 1,
      "hp": 0.98632
    },
    {
      "hp_metric": 2,
      "hp": 1.97264
    },
    {
      "hp_metric": 3,
      "hp": 2.95896
    },
    {
      "hp_metric": 4,
      "hp": 3.94528
    },
    {
      "hp_metric": 5,
      "hp": 4.9316
    },
    {
      "hp_metric": 6,
      "hp": 5.91792
    },
    {
      "hp_metric": 7,
      "hp": 6.90424
    },
    {
      "hp_metric": 8,
      "hp": 7.89056
    },
    {
      "hp_metric": 9,
      "hp": 8.87688
    },
    {
      "hp_metric": 10,
      "hp": 9.8632
    },
    {
      "hp_metric": 15,
      "hp": 14.7948
    },
    {
      "hp_metric": 20,
      "hp": 19.7264
    },
    {
      "hp_metric": 25,
      "hp": 24.658
    },
    {
      "hp_metric": 30,
      "hp": 29.5896
    },
    {
      "hp_metric": 40,
      "hp": 39.4528
    },
    {
      "hp_metric": 50,
      "hp": 49.316
    },
    {
      "hp_metric": 75,
      "hp": 73.974
    },
    {
      "hp_metric": 100,
      "hp": 98.632
    },
    {
      "hp_metric": 200,
      "hp": 197.264
    },
    {
      "hp_metric": 250,
      "hp": 246.58
    },
    {
      "hp_metric": 500,
      "hp": 493.16
    },
    {
      "hp_metric": 1000,
      "hp": 986.32
    }
  ],
  "faq": [
    {
      "q": "How many horsepower (mechanical) are in one metric horsepower?",
      "a": "1 PS = 0.98632 hp. 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 horsepower (PS) to horsepower (mechanical)?",
      "a": "Multiply the value in metric horsepower (PS) by 0.9863200706: horsepower (mechanical) = metric horsepower (PS) × 0.9863200706. For example, 5 PS = 4.9316 hp."
    },
    {
      "q": "How do I convert horsepower (mechanical) back to metric horsepower (PS)?",
      "a": "Multiply by the inverse factor 1.013869665 (metric horsepower (PS) = horsepower (mechanical) × 1.013869665), or use the horsepower (mechanical)-to-metric horsepower (PS) 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=hp_metric&to_unit=hp",
    "calculator": "https://tttkmbb.com/api/v1/calculate/power?value=5&from_unit=hp_metric&to_unit=hp",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "hp_metric",
      "to_unit": "hp"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/ps-to-hp",
    "markdown": "https://tttkmbb.com/conversion/ps-to-hp.md",
    "json": "https://tttkmbb.com/conversion/ps-to-hp.json",
    "reverse": "https://tttkmbb.com/conversion/hp-to-ps",
    "quantity_converter": "https://tttkmbb.com/conversion/power",
    "units": "https://tttkmbb.com/api/v1/units?quantity=power"
  },
  "timestamp": "2026-09-24"
}