Speed Converter
Convert Mile per Hour to Knot.
Input the value of miles per hour below to convert instantly to knots with standard conversions, definitions, and equations.
How to Convert Miles per hour to Knots
To convert mile per hour to knot, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.
mile-per-hour-to-knot-formula.py
# Mathematical Formula
Value in Knots = Value in Miles per hour × 0.868977
# Worked Example (5 mph)
5 mph × 0.868977 = 4.3449 kt
What is a Mile per Hour?
Mile per Hour (mph)
Speed unit used primarily in the US and UK for road speed limits.
What is a Knot?
Knot (kt)
Speed unit equal to one nautical mile per hour. Standard in aviation, maritime, and meteorology.
Mile per Hour to Knot Conversion Table
| Mile per Hour (mph) | Knot (kt) |
|---|---|
| 1 mph | 0.86898 kt |
| 2 mph | 1.73795 kt |
| 3 mph | 2.60693 kt |
| 5 mph | 4.34488 kt |
| 10 mph | 8.68977 kt |
| 15 mph | 13.03465 kt |
| 20 mph | 17.37954 kt |
| 25 mph | 21.72442 kt |
| 50 mph | 43.44885 kt |
| 100 mph | 86.8977 kt |
| 250 mph | 217.24425 kt |
| 500 mph | 434.4885 kt |
| 1000 mph | 868.97699 kt |
Knot to Mile per Hour Conversion Table
| Knot (kt) | Mile per Hour (mph) |
|---|---|
| 1 kt | 1.15078 mph |
| 2 kt | 2.30156 mph |
| 3 kt | 3.45234 mph |
| 5 kt | 5.75389 mph |
| 10 kt | 11.50778 mph |
| 15 kt | 17.26168 mph |
| 20 kt | 23.01557 mph |
| 25 kt | 28.76946 mph |
| 50 kt | 57.53892 mph |
| 100 kt | 115.07785 mph |
| 250 kt | 287.69461 mph |
| 500 kt | 575.38923 mph |
| 1000 kt | 1150.77845 mph |
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