Convert knots to miles per hour
Enter the number of knots you want to convert to miles per hour in the text box below. The conversion to speed in miles per hour will update as you type.
{"answerString":"1.151","answerSymbol":"miles per hour"}Precise decimal and fraction answers
The conversion in miles per hour rounded to six significant decimal places is 1 kn = 1.150779 mph. The precise fraction answer is 1 503/3336 mph.
Decimal Precision
Conversion from one to ten decimal places
- 1 kn = 1.2 mph
- 1 kn = 1.15 mph
- 1 kn = 1.151 mph
- 1 kn = 1.1508 mph
- 1 kn = 1.15078 mph
- 1 kn = 1.150779 mph
- 1 kn = 1.1507794 mph
- 1 kn = 1.15077945 mph
- 1 kn = 1.150779448 mph
- 1 kn = 1.1507794480 mph
How many miles per hour is a knot?
1.151 miles per hour is the same velocity as one knot. A knot is 1.151 times faster than a mile per hour. An object traveling at one mile per hour mile per hour has 86.90% of the velocity of an object moving at one knot.
Knots to miles per hour conversion factor and formulas
FormulaThe conversion factor between knots and miles per hour is 1.151. This represents the ratio of miles per hour per one knot. To calculate the value in miles per hour, we can either multiply by the conversion factor or divide by its inverse.
Multiplication
To convert from knots to miles per hour, multiply knots by 1.151.
The formula is expressed as:
kn × 1.151 = mph
Division
Alternatively we can divide by the inverse conversion factor to get the same result.
The inverse of 1.151 is 1/1.151 or 0.869.
To convert from knots to miles per hour, divide knots by 0.869.
The formula is expressed as:
kn ÷ 0.869 = mph
About this conversion
When converting from from knots to miles per hour, both units are within the US Customary / UK Imperial system and conversion factors are governed by standards set by the controlling body.
About Knots
Customary/Imperial UnitKnots are a measure of speed over long geographic distances most often associated with the maritime and aviation communities. A knot is a measurement of distance traveled in nautical miles in one hour. The origins of the knot derive from practice of mariners throwing a wooden chip log attached to a line off the stern of a ship. As the ship traveled forward, the line spooled out and the number of physical knots on the line where counted over a 30 second period to determine boat speed. The symbol for knots is either kn or kt.
About Miles per hour
Customary/Imperial UnitMiles per hour is a velocity measurement within the US/UK Imperial systems. It is defined as the number of miles traveled in one hour. MPH is frequently used for measurement and regulation of vehicle speed limits in the US, UK and many British dependencies. The common symbols for miles per hour are mph, MPH or mi/hr.
Reverse this conversion
Convert from miles per hour to knots instead.
1 knots to other speed units
Metric
- 1 kn = 1.852 km/h
Imperial/U.S.
- 1 kn = 1.151 mph
- 1 kn = 1 kn
References and Citations
- National Institute of Standards and Technology (NIST) General Tables of Units of Measurement
Knots to miles per hour conversion table
| kn | mph |
|---|---|
| 1 kn | 1.151 mph |
| 2 kn | 2.302 mph |
| 3 kn | 3.452 mph |
| 4 kn | 4.603 mph |
| 5 kn | 5.754 mph |
| 6 kn | 6.905 mph |
| 7 kn | 8.055 mph |
| 8 kn | 9.206 mph |
| 9 kn | 10.357 mph |
| 10 kn | 11.508 mph |
| kn | mph |
|---|---|
| 20 kn | 23.016 mph |
| 30 kn | 34.523 mph |
| 40 kn | 46.031 mph |
| 50 kn | 57.539 mph |
| 60 kn | 69.047 mph |
| 70 kn | 80.555 mph |
| 80 kn | 92.062 mph |
| 90 kn | 103.57 mph |
| 100 kn | 115.078 mph |
| 1,000 kn | 1,150.779 mph |