Unit Converter
Knots to Miles per hour Converter
Convert knots to miles per hour instantly. 1 kn = 1.1508 mph. Free online speed converter.
Miles per hour
1.1508 mph
1 kn = 1.1508 mph
Knots to Miles per hour formula
mph = kn × 1.1508A knot is one nautical mile per hour, used in aviation and marine navigation. Land speed uses statute miles per hour. The conversion factor 1.1508 reflects the ratio of a nautical mile (1,852 metres) to a statute mile (1,609 metres), making knots slightly faster in mph.
Knots to Miles per hour conversion table
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 kn | 1.1508 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 20 kn | 23.0156 mph |
| 30 kn | 34.5234 mph |
| 40 kn | 46.0312 mph |
| 50 kn | 57.539 mph |
| 60 kn | 69.0468 mph |
| 80 kn | 92.0624 mph |
| 100 kn | 115.08 mph |
| 120 kn | 138.09 mph |
When you need to convert knots to miles per hour
- Converting aircraft airspeed from knots to land-based speed references
- Comparing boat or ship speeds to vehicle speeds on roads
- Understanding weather reports that state wind speeds in knots
- Maritime navigation and plotting courses between ports
- Sailing and water sports performance tracking
Frequently asked questions
Why do pilots and sailors use knots instead of mph?
Knots measure nautical miles per hour, the standard in maritime and aviation industries. One nautical mile equals the distance of one minute of latitude, making it ideal for navigation using charts and celestial calculations.
Is 1 knot always equal to 1.1508 mph?
Yes. The exact conversion is 1 kn = 1.1508 mph. This fixed ratio comes from the definition: one nautical mile (1,852 metres) divided by one statute mile (1,609 metres) equals 1.1508.
How accurate is this converter?
This converter uses the exact mathematical ratio 1.1508, verified by international maritime and aviation standards. Results are precise for all practical purposes in navigation, sports, and weather reporting.