Marine & NauticalKilometers per Hour to Meters per Second

Kilometers per Hour to Meters per Second

Snapshot

1 Kilometer per Hour equals 0.277778 Meters per Second.

  • Reference basis: This result uses fixed vessel-speed definitions anchored to knots and the active marine route.
  • Example: For 5 Kilometers per Hour, the result equals 1.388889 Meters per Second.

Interactive conversion

Converter Calculator

Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.

0.277778 Meters per Second (m/s)

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API and AI agent access

Kilometers per Hour to Meters per Second.

Machine-readable identifiers

Conversion family
marine
Source unit
kilometers_per_hour
Target unit
meters_per_second

Use these identifiers in the API request. Sources and model limits also apply to software clients.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "marine",
  "value": 1,
  "from": "kilometers_per_hour",
  "to": "meters_per_second"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "marine",
    "value": 1,
    "from": "kilometers_per_hour",
    "to": "meters_per_second",
    "result": {
      "raw": 0.277777777778,
      "display": "0.277778"
    },
    "canonicalPath": "/marine/kilometers-per-hour-to-meters-per-second/"
  }
}
API, OpenAPI and WebMCP documentation

Explanation

Kilometers per Hour convert into meters per second inside the marine speed family. Formula: m/s = km/h × 0.277777777778. The same fixed relationship is used in the calculator, common values, and mirror page so route checks stay aligned.

This is useful for marine navigation, onboard operations, sounding work, or vessel-capacity checks where nautical units and engineering units need to line up without changing the underlying reference model.

Method & Marine Basis

  • Method basis: fixed vessel-speed definitions anchored to knots for marine reporting and instrumentation.
  • Applied factor: 1 Kilometer per Hour = 0.277778 Meters per Second.
  • Consistency rule: calculator output and common-value rows use the same fixed marine constants in both directions.

Common Conversion Values

Kilometer per Hour (km/h)Meters per Second (m/s)
1 0.277778
5 1.388889
10 2.777778
15 4.166667
20 5.555556
30 8.333333
40 11.111111