Marine & NauticalMiles per Hour to Feet per Second

Miles per Hour to Feet per Second

Snapshot

1 Mile per Hour equals 1.466667 Feet per Second.

  • Reference basis: This result uses fixed vessel-speed definitions anchored to knots and the active marine route.
  • Example: For 5 Miles per Hour, the result equals 7.333333 Feet per Second.

Interactive conversion

Converter Calculator

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

1.466667 Feet per Second (ft/s)

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API and AI agent access

Miles per Hour to Feet per Second.

Machine-readable identifiers

Conversion family
marine
Source unit
miles_per_hour
Target unit
feet_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": "miles_per_hour",
  "to": "feet_per_second"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "marine",
    "value": 1,
    "from": "miles_per_hour",
    "to": "feet_per_second",
    "result": {
      "raw": 1.46666666667,
      "display": "1.466667"
    },
    "canonicalPath": "/marine/miles-per-hour-to-feet-per-second/"
  }
}
API, OpenAPI and WebMCP documentation

Explanation

Miles per Hour convert into feet per second inside the marine speed family. Formula: ft/s = mph × 1.46666666667. 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 Mile per Hour = 1.466667 Feet per Second.
  • Consistency rule: calculator output and common-value rows use the same fixed marine constants in both directions.

Common Conversion Values

Mile per Hour (mph)Feet per Second (ft/s)
1 1.466667
5 7.333333
10 14.666667
15 22
20 29.333333
30 44
40 58.666667