Knots to mph Converter

Speed

Enter nautical or imperial speed value

Speed Conversion Results

Converted Speed

Converted result

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Nautical & Imperial

Knots
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Nautical miles/hour
MPH
--
Miles per hour
ft/s
--
Feet per second
Cable Lengths/hr
--
Maritime unit

International & Aviation

km/h
--
Kilometers/hour
m/s
--
Meters per second
Mach
--
Speed of sound
Airspeed
--
Aviation speed

Knots to MPH Reference

1 knot = 1.151 mph
1 mph = 0.869 knots
10 knots = 11.51 mph
20 knots = 23.02 mph
Nautical mile = 1.151 statute miles
Speed difference ≈ 15% (knots > mph)
Sailing yacht = 5-15 knots
Power boat = 25-50 knots
Highway speed = 60-80 mph
Light aircraft = 100-200 knots
Commercial jet = 450-550 knots
Sound speed = 661.5 knots

What this tool does

Knots to mph Converter

Professional nautical to imperial speed converter between knots and miles per hour. Convert marine and aviation speeds for international navigation and transportation.

How the calculation works

Enter a value, choose the relevant units, and the tool applies the standard relationship between those units to calculate the result.

Part of Speed & Motion Conversion Tools.

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