Mile per Hour (mph)
Miles per hour measure how many statute miles are traveled in one hour — 1 mph equals 0.44704 m/s.
Miles per hour dominate US and UK road speed limits, vehicle gauges, and aviation wind reports.
Mile per Hour to Knot
Convert mile per hour to knot instantly. Type in either field — results update live.
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Speed Mile per Hour Knot
1 mile per hour = 0.868976242 knots
Unit
Unit
Conversion table
Selected mph values converted to kn using the exact factor from this tool.
| mph | kn |
|---|---|
| 0.01 | 0.0086897624 |
| 0.1 | 0.0868976242 |
| 1 | 0.868976242 |
| 2 | 1.737952484 |
| 3 | 2.6069287259 |
| 5 | 4.3448812099 |
| 10 | 8.6897624198 |
| 20 | 17.3795248395 |
| 50 | 43.4488120988 |
| 100 | 86.8976241976 |
| 1,000 | 868.9762419757 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 mph = 0.868976242 kn
1 kn = 1.1507794479 mph
To convert mile per hour to knot, multiply by 0.868976242.
To convert knot to mile per hour, multiply by 1.1507794479.
Example: convert 10 mph to kn
10 × 0.868976242 = 8.6897624198 kn
About these units
Short background on the units used in this conversion.
Knot (kn)
One knot is one nautical mile per hour, defined as exactly 1,852 meters per hour (0.514444 m/s).
Knots are standard for ships, aircraft airspeed, and marine weather forecasts worldwide.
Frequently asked questions
How many knots are in one mile per hour?
One mile per hour equals 0.868976242 knots. Multiply your miles per hour value by 0.868976242 to convert to knots.
What is the conversion formula?
kn = mph × 0.868976242The reverse is
mph = kn × 1.1507794479, using the same exact factors as this converter.Is this Mile per Hour to Knot converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All mile per hour conversions
Jump to any speed conversion starting from mile per hour — including the reverse direction and every other unit in our dataset.
knot (kn) → mile per hour (mph)
mile per hour (mph) → meter per second (m/s)mile per hour (mph) → kilometer per hour (km/h)mile per hour (mph) → meter per hour (m/h)mile per hour (mph) → meter per minute (m/min)mile per hour (mph) → kilometer per minute (km/min)mile per hour (mph) → kilometer per second (km/s)mile per hour (mph) → centimeter per hour (cm/h)mile per hour (mph) → centimeter per minute (cm/min)mile per hour (mph) → centimeter per second (cm/s)mile per hour (mph) → millimeter per hour (mm/h)mile per hour (mph) → millimeter per minute (mm/min)mile per hour (mph) → millimeter per second (mm/s)mile per hour (mph) → foot per hour (ft/h)mile per hour (mph) → foot per minute (ft/min)mile per hour (mph) → foot per second (ft/s)mile per hour (mph) → yard per hour (yd/h)mile per hour (mph) → yard per minute (yd/min)mile per hour (mph) → yard per second (yd/s)mile per hour (mph) → mile per minute (mi/min)mile per hour (mph) → mile per second (mi/s)mile per hour (mph) → inch per second (in/s)mile per hour (mph) → knot (uk) (kn (UK))mile per hour (mph) → mach (sea level, ~stp)mile per hour (mph) → mach (20°c, 1 atm)mile per hour (mph) → mach (si standard)mile per hour (mph) → velocity of light in vacuum (c)mile per hour (mph) → cosmic velocity — first (v₁)mile per hour (mph) → cosmic velocity — second (v₂)mile per hour (mph) → cosmic velocity — third (v₃)mile per hour (mph) → earth's velocity (v⊕)mile per hour (mph) → velocity of sound in pure water (c_water)mile per hour (mph) → velocity of sound in sea water (20°c, 10 m) (c_sea)