Knots to Miles per Hour Converter
1 knot ≈ 1.15077945 miles per hour
1 knot equals 1.15078 miles per hour
How to convert knots to miles per hour
Speed combines distance and elapsed time. Knots use the international nautical mile (1852 m), and mph uses the international statute mile (1609.344 m).
mph = kn × 1.150779448One knot is 1.150779448 miles per hour, so a single multiplication converts any value.
11.5078 mph ≈ 10 × 1.150779448Knots to miles per hour conversion table
Common values in knots, converted to miles per hour.
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 | 1.1507794 |
| 2 | 2.3015589 |
| 3 | 3.4523383 |
| 4 | 4.6031178 |
| 5 | 5.7538972 |
| 10 | 11.507794 |
| 20 | 23.015589 |
| 25 | 28.769486 |
| 50 | 57.538972 |
| 100 | 115.07794 |
| 250 | 287.69486 |
| 500 | 575.38972 |
| 1,000 | 1,150.7794 |
About these units
knotkn
One nautical mile per hour: exactly 1.852 km/h. Used in marine and air navigation.
mile per hourmph
The standard road-speed unit in the United States and the United Kingdom.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.