Convert Knots to miles per hour
1 knot = 1.1508 miles per hour · mph = kn × 1.150779448
When you need this conversion
This conversion goes from knots, the navigation speed unit for aviation and sailing, to miles per hour, the road speed unit in the US and UK. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Knots to miles per hour conversion table
| Knots (kn) | Miles per hour (mph) |
|---|---|
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 3 kn | 3.4523 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 | 115.08 mph |
| 250 kn | 287.69 mph |
| 500 kn | 575.39 mph |
| 1,000 kn | 1,150.78 mph |
The formula
mph = kn × 1.150779448Because both units measure speed, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Miles per hour to knots →Related speed conversions
- Kilometers per hour to miles per hour
- Knots to kilometers per hour
- Kilometers per hour to knots
- Miles per hour to kilometers per hour
- Meters per second to miles per hour
- Feet per second to miles per hour
- Knots to meters per second
- Knots to feet per second
- Knots to mach
- Mach to miles per hour
- Meters per second to kilometers per hour
- Meters per second to feet per second
Frequently asked questions
- How many miles per hour are in a knot?
- There are 1.1508 miles per hour in 1 knot. The formula is mph = kn × 1.150779448.
- How do you convert knots to miles per hour?
- Use the formula mph = kn × 1.150779448. For example, 10 knots equals 11.5078 miles per hour.
- Is the knots to miles per hour conversion exact?
- Yes. Knots and miles per hour are both units of speed, related by an exact defined factor. Displayed results are rounded for readability.
- What is kn short for?
- kn is the standard symbol for knot. mph is the symbol for mile per hour.