Speed Converter
km/h, mph, knots and m/s.
Conversion
Knots to Miles per Hour Converter
1 knot = 1.150779448 mph. Enter any value to convert knots (kn) to miles per hour (mph), or use the table below for common values.
Formula
mph = kn × 1.150779448
Example: 10 kn = 11.50779448 mph. To convert the other way, use kn = mph × 0.8689762419.
Quick mental estimate: multiply by about 1.2.
Knots to Miles per Hour conversion table
| Knots (kn) | Miles per Hour (mph) |
|---|---|
| 1 kn | 1.150779448 mph |
| 5 kn | 5.75389724 mph |
| 10 kn | 11.50779448 mph |
| 20 kn | 23.01558896 mph |
| 30 kn | 34.52338344 mph |
| 40 kn | 46.03117792 mph |
| 50 kn | 57.5389724 mph |
| 60 kn | 69.04676688 mph |
| 70 kn | 80.55456136 mph |
| 80 kn | 92.06235584 mph |
| 90 kn | 103.5701503 mph |
| 100 kn | 115.0779448 mph |
| 120 kn | 138.0935338 mph |
| 150 kn | 172.6169172 mph |
| 200 kn | 230.1558896 mph |
| 300 kn | 345.2338344 mph |
About knots and miles per hour
The knot is one nautical mile per hour (exactly 1.852 km/h), used in aviation, sailing and marine weather forecasts.
Miles per hour is the road speed unit in the United States and the United Kingdom.
Other Speed conversions
Frequently asked questions
How do I convert knots to miles per hour?
Use the formula mph = kn × 1.150779448. For example, 10 kn = 11.50779448 mph.
What is 1 knot in miles per hour?
1 kn = 1.150779448 mph.
How do I convert miles per hour back to knots?
Use kn = mph × 0.8689762419. 1 mph = 0.8689762419 kn.