{
  "entity_type": "unit_conversion_page",
  "id": "meters-per-second-to-kmh",
  "name": "Meters per second to Kilometers per hour",
  "title": "Meters per second to Kilometers per hour Converter (m/s to km/h)",
  "description": "Convert meters per second to kilometers per hour: 1 m/s = 3.6 km/h. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "speed",
  "quantity_name": "Speed",
  "base_unit": "m/s",
  "from_unit": {
    "symbol": "m/s",
    "display": "m/s",
    "name": "meters per second",
    "singular": "meter per second"
  },
  "to_unit": {
    "symbol": "km/h",
    "display": "km/h",
    "name": "kilometers per hour",
    "singular": "kilometer per hour"
  },
  "linear": true,
  "factor": 3.6,
  "inverse_factor": 0.2777777778,
  "formula": "kilometers per hour = meters per second × 3.6",
  "reverse_formula": "meters per second = kilometers per hour × 0.2777777778",
  "unit_relation": "1 m/s = 3.6 km/h",
  "examples": [
    {
      "value": 5,
      "result": 18,
      "text": "5 m/s = 18 km/h"
    },
    {
      "value": 12.5,
      "result": 45,
      "text": "12.5 m/s = 45 km/h"
    },
    {
      "value": 100,
      "result": 360,
      "text": "100 m/s = 360 km/h"
    }
  ],
  "table": [
    {
      "m/s": 1,
      "km/h": 3.6
    },
    {
      "m/s": 2,
      "km/h": 7.2
    },
    {
      "m/s": 3,
      "km/h": 10.8
    },
    {
      "m/s": 4,
      "km/h": 14.4
    },
    {
      "m/s": 5,
      "km/h": 18
    },
    {
      "m/s": 6,
      "km/h": 21.6
    },
    {
      "m/s": 7,
      "km/h": 25.2
    },
    {
      "m/s": 8,
      "km/h": 28.8
    },
    {
      "m/s": 9,
      "km/h": 32.4
    },
    {
      "m/s": 10,
      "km/h": 36
    },
    {
      "m/s": 15,
      "km/h": 54
    },
    {
      "m/s": 20,
      "km/h": 72
    },
    {
      "m/s": 25,
      "km/h": 90
    },
    {
      "m/s": 30,
      "km/h": 108
    },
    {
      "m/s": 40,
      "km/h": 144
    },
    {
      "m/s": 50,
      "km/h": 180
    },
    {
      "m/s": 75,
      "km/h": 270
    },
    {
      "m/s": 100,
      "km/h": 360
    },
    {
      "m/s": 200,
      "km/h": 720
    },
    {
      "m/s": 250,
      "km/h": 900
    },
    {
      "m/s": 500,
      "km/h": 1800
    },
    {
      "m/s": 1000,
      "km/h": 3600
    }
  ],
  "faq": [
    {
      "q": "How many kilometers per hour are in one meter per second?",
      "a": "1 m/s = 3.6 km/h. 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 meters per second to kilometers per hour?",
      "a": "Multiply the value in meters per second by 3.6: kilometers per hour = meters per second × 3.6. For example, 5 m/s = 18 km/h."
    },
    {
      "q": "How do I convert kilometers per hour back to meters per second?",
      "a": "Multiply by the inverse factor 0.2777777778 (meters per second = kilometers per hour × 0.2777777778), or use the kilometers per hour-to-meters per second 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=m%2Fs&to_unit=km%2Fh",
    "calculator": "https://tttkmbb.com/api/v1/calculate/speed?value=5&from_unit=m%2Fs&to_unit=km%2Fh",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "m/s",
      "to_unit": "km/h"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/meters-per-second-to-kmh",
    "markdown": "https://tttkmbb.com/conversion/meters-per-second-to-kmh.md",
    "json": "https://tttkmbb.com/conversion/meters-per-second-to-kmh.json",
    "reverse": "https://tttkmbb.com/conversion/kmh-to-meters-per-second",
    "quantity_converter": "https://tttkmbb.com/conversion/speed",
    "units": "https://tttkmbb.com/api/v1/units?quantity=speed"
  },
  "timestamp": "2026-09-24"
}