Convert mph to knots

The calculator allows you to convert miles per hour to knots.

Perform the reverse calculation: convert knots to miles per hour

1 mph = 1 / 1.15078 = 0.86898 knot (approximately equal to)
1 knot = 1.15078 mph (approximately equal to)

To convert mph to knots, divide by 1.15078.

Example 1

We are going to convert a speed s of 50 mph to knots.
Speed s = 50 mph
1 mph = 1 / 1.15078 knots
s = 50 mph = 50 / 1.15078 = 43.45 knots

Other examples

To convert miles per hour (mph) to knots, you can use the conversion factor of 1.15078.

Here's the formula for converting mph to knots:
Knots = mph / 1.15078

Convert 30 mph to knots:
Knots = 30 mph / 1.15078 = 26.23 knots

Convert 45 mph to knots:
Knots = 45 mph ÷ 1.15078 = 39.12 knots

Convert 55 mph to knots:
Knots = 55 mph / 1.15078 = 47.83 knots

Convert 70 mph to knots:
Knots = 70 mph / 1.15078 = 60.87 knots

Convert 90 mph to knots:
Knots = 90 mph / 1.15078 = 78.23 knots

In each example, we used the formula Knots = mph / 1.15078 to convert the given value in miles per hour (mph) to knots. The resulting value in knots was rounded to two decimal places for clarity.

Here's a concrete example of how to convert mph to knots. Let's say you're traveling in a car at a speed of 60 miles per hour (mph). You're curious about how fast you're traveling in knots.
Knots = 60 mph / 1.15078 = 52.14 knots

A conversion table for miles per hour (mph) to knots

Miles per hour (mph)	Knots
1	0.87
2	1.74
3	2.61
4	3.48
5	4.35
6	5.21
7	6.08
8	6.95
9	7.82
10	8.69
15	13.04
20	17.38
25	21.63
30	26.24
35	30.58
40	34.77
45	39.12
50	43.48
55	47.83
60	52.14
65	56.50
70	60.87
75	65.22
80	69.54
85	73.89
90	78.23
95	82.58
100	86.89
110	95.58
120	104.27

You can use this table to quickly convert speeds from miles per hour (mph) to knots. Simply find the value in mph in the left-hand column and read across to the right-hand column to find the equivalent value in knots. For example, if you want to convert 50 mph to knots, you would look for the row in the table with the value 50 in the mph column and find that the equivalent value in knots is 43.48.

Miles per hour (mph)

Miles per hour is a unit of speed commonly used in the United States and other countries that follow the imperial system of measurement. It measures the number of miles traveled per hour, or the distance covered in miles over a period of one hour. Mph is often used to measure the speed of vehicles such as cars, trucks, and airplanes. It's also commonly used in weather reports to describe wind speed. In some countries, such as those that use the metric system, kilometers per hour (km/h) is the standard unit of speed. However, mph is still used in some contexts, such as in the UK where it's the legal unit for speed limits on roads. Converting between mph and other units of speed can be useful in certain situations, such as when traveling internationally or when working with scientific data. For example, if you need to convert mph to kilometers per hour, you would multiply the mph value by 1.60934. Conversely, to convert kilometers per hour to mph, you would divide the value by 1.60934.

The symbol for miles per hour is "mph". It's a combination of the abbreviation for miles ("m") and "per hour" ("ph"). When writing or speaking about speed measurements, it's common to use this symbol after the numerical value to indicate the unit of measurement. For example, you might say "the car was traveling at 60 mph" or "the wind speed was 25 mph".

Knots

Knots is a unit of speed commonly used in the marine and aviation industries, as well as in meteorology. It measures speed in nautical miles per hour (nm/h), which is equivalent to approximately 1.15 statute miles per hour (mph). One nautical mile is equal to 1.852 kilometers, and it's based on the circumference of the Earth, with one nautical mile being one minute of arc measured along a meridian. The knot is defined as one nautical mile per hour, which means that if a vessel or aircraft travels at a speed of one knot, it will cover a distance of one nautical mile in one hour. Knots are commonly used to measure the speed of boats and ships, as well as the speed and direction of wind in weather reports. They are also used in aviation to measure airspeed, with the airspeed indicator in aircraft displaying speed in knots. When converting knots to other units of speed, it's important to note that one knot is equal to approximately 1.15 mph or 1.852 km/h. To convert knots to mph, you would multiply the knot value by 1.15. Conversely, to convert mph to knots, you would divide the mph value by 1.15.