Convert miles per hour to knots with precision
50 mph = 43.45 knots
| MPH | Knots | MPH | Knots |
|---|---|---|---|
| 10 mph | 8.69 knots | 70 mph | 60.83 knots |
| 20 mph | 17.38 knots | 80 mph | 69.52 knots |
| 30 mph | 26.07 knots | 90 mph | 78.21 knots |
| 40 mph | 34.76 knots | 100 mph | 86.90 knots |
| 50 mph | 43.45 knots | 150 mph | 130.35 knots |
| 60 mph | 52.14 knots | 200 mph | 173.80 knots |
Converting miles per hour (mph) to knots is crucial for maritime navigation, aviation communications, and understanding weather reports. This comprehensive guide covers everything you need for accurate mph to knot conversion.
Miles per hour (mph) uses statute miles and is common in automotive applications, while knots measure nautical miles per hour and are the standard for maritime and aviation speed measurements worldwide.
The conversion from mph to knots uses the following formula:
This conversion factor comes from the relationship between statute miles and nautical miles.
The conversion factor 0.868976 is derived from:
You'd convert when communicating with maritime or aviation authorities, reading international weather reports, or working with vessels that use nautical measurements.
No, the numerical value in knots is always smaller than mph for the same speed because nautical miles are longer than statute miles. The actual speed is the same.
Yes, knots are universally used in maritime and aviation contexts worldwide, regardless of whether a country uses metric or imperial units for land-based measurements.
For navigation and safety purposes, use the full precision. For general communication, rounding to one decimal place is usually sufficient.