Convert knots to miles per hour instantly. 100 kn = 115.0779 mph.
1 kn = 1.150779 mph
How to convert knots to miles per hour
To convert knots to miles per hour, use the formula mph = kn × 1.150779. In other words, multiply the number of knots by 1.150779 to get the equivalent in miles per hour. For example, 100 kn equals 115.0779 mph.
Knots to MPH conversion table
Knots (kn)
MPH (mph)
1 kn
1.150779 mph
5 kn
5.753897 mph
10 kn
11.50779 mph
15 kn
17.26169 mph
20 kn
23.01559 mph
25 kn
28.76949 mph
30 kn
34.52338 mph
40 kn
46.03118 mph
50 kn
57.53897 mph
60 kn
69.04677 mph
70 kn
80.55456 mph
80 kn
92.06236 mph
90 kn
103.5702 mph
100 kn
115.0779 mph
110 kn
126.5857 mph
120 kn
138.0935 mph
130 kn
149.6013 mph
150 kn
172.6169 mph
200 kn
230.1559 mph
300 kn
345.2338 mph
Knot and Mile per hour
The knot (kn) and the mile per hour (mph) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.