Marine & NauticalKnots to Miles per Hour

Knots to Miles per Hour

Snapshot

1 knot equals about 1.15078 mph. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.

  • Reference basis: This converter uses the international nautical mile per hour basis.
  • Example: For 10 knots, the result is about 11.51 mph with the same factor.
  • Use the reverse page if you need the opposite direction with the same basis.

Use the interactive calculator below for custom values and the common-value table for quick checks.

Interactive conversion

Converter Calculator

11.507794 Miles per Hour (mph)

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Machine access

Available to apps and AI agents

Knots to Miles per Hour can be requested through Conversion Encyclopedia's structured interfaces by software and compatible AI agents. The identifiers below select the same calculation as the calculator.

Machine-readable identifiers

Conversion family
marine
Source unit
knots
Target unit
miles_per_hour

The JSON API and OpenAPI specification use the identifiers to reach the conversion engine. WebMCP lets compatible AI agents request the same calculation.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "marine",
  "value": 10,
  "from": "knots",
  "to": "miles_per_hour"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "marine",
    "value": 10,
    "from": "knots",
    "to": "miles_per_hour",
    "result": {
      "raw": 11.5077944802,
      "display": "11.507794"
    },
    "canonicalPath": "/marine/knots-to-miles-per-hour/"
  }
}
Full API documentation

Explanation

The converter converts knots to miles per hour. In this converter, 1 knot is about 1.15078 mph, 10 knots is about 11.51 mph, and 20 knots is about 23.02 mph.

Use it for marine speed, wind speed, sailing, and aviation references where speeds are given in knots but need mph.

Method & Nautical Speed Basis

  • Unit basis: one knot is one nautical mile per hour.
  • Applied factor: mph = knots x 1.15077944802.
  • Consistency rule: snapshot, calculator, FAQ, and common values all use the same knot-to-mph factor.

Common Conversion Values

Knot (kn)Miles per Hour (mph)
1 1.150779
5 5.753897
10 11.507794
15 17.261692
20 23.015589
30 34.523383
40 46.031178

Questions & answers

Frequently Asked Questions

How many mph is 1 knot?

1 knot is about 1.15078 mph.

How many mph is 20 knots?

20 knots is about 23.02 mph.

What formula is used for Knot to Miles per Hour?

The converter applies the formula defined for Knot to Miles per Hour, then renders rounded output for the direct answer and common-value rows.