Convert Knot (kn) to Mile per Hour (mph) instantly. Enter any value — result updates live.
Converting Knot to Mile per Hour is a common speed conversion. One knot (kn) equals 1.15078 mile per hour (mph). Knots are the standard speed unit in maritime and aviation worldwide.
This conversion is commonly needed for running and fitness tracking, aviation and flight planning, sailing and marine navigation. Miles per hour are used for speed limits and weather in the US and UK.
To put knot in perspective: a cruise ship (about 20 kn). In mile per hour, common references include a US highway speed limit (65–75 mph).
The term 'knot' originated from counting knots on a rope trailing behind a ship over a fixed time period.
Even though the UK uses miles for road speed limits, it uses kilometers for most other measurements — a split that dates back to an incomplete 1965 metrication effort.
People frequently convert between knot and mile per hour for:
| Knot (kn) | Mile per Hour (mph) |
|---|---|
| 1 kn | 1.15078 mph |
| 2 kn | 2.30156 mph |
| 5 kn | 5.75389 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 30 kn | 34.5234 mph |
| 50 kn | 57.5389 mph |
| 100 kn | 115.1 mph |
| 200 kn | 230.2 mph |
| 500 kn | 575.4 mph |
| 1000 kn | 1,151 mph |