Knots to Miles per hour formula
miles per hour = knots × 1.15078
Multiply the number of knots by 1.15078 to get miles per hour. To go the other way, multiply by 0.868976 instead, or use the mph to knots converter.
Knots to Miles per hour conversion table
Common knots to mph values, rounded for reading. The converter above keeps full precision.
| Knots | Miles per hour |
|---|---|
| 1 kn | 1.15078 mph |
| 2 kn | 2.30156 mph |
| 3 kn | 3.45234 mph |
| 4 kn | 4.60312 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 50 kn | 57.539 mph |
| 75 kn | 86.3085 mph |
| 100 kn | 115.078 mph |
| 250 kn | 287.695 mph |
| 500 kn | 575.39 mph |
| 1,000 kn | 1,150.78 mph |
Worked example
To convert 10 kn to miles per hour, multiply by 1.15078: the result is 11.5078 mph. One knot is exactly one nautical mile per hour. A nautical mile is exactly 1,852 meters, so 1 knot equals 1.150779448 mph and 1.852 km/h.
Frequently asked questions
How many miles per hour are in a knot?
One knot equals 1.15078 miles per hour (1 kn = 1.15078 mph).
What is 10 knots in miles per hour?
10 kn converts to 11.5078 mph. Enter any other value in the converter above to see it recalculated instantly.
How do I convert miles per hour back to knots?
Reverse the calculation: one mile per hour equals 0.868976 knots. You can also swap the units in the converter or open the mph to knots page.
Related speed conversions
Need a different pair? Open the full speed converter to choose any two units.