How to convert knots to miles per hour
To convert knots to miles per hour, multiply by 1.15077944802. Speed conversions are used for driving, aviation, sailing, sports and physics problems.
Knot to Mile per Hour conversion table
| Knot (kn) | Mile per Hour (mph) |
|---|---|
| 0.1 kn | 0.115077944802 mph |
| 0.5 kn | 0.575389724012 mph |
| 1 kn | 1.15077944802 mph |
| 2 kn | 2.30155889605 mph |
| 3 kn | 3.45233834407 mph |
| 4 kn | 4.60311779209 mph |
| 5 kn | 5.75389724012 mph |
| 10 kn | 11.5077944802 mph |
| 20 kn | 23.0155889605 mph |
| 25 kn | 28.7694862006 mph |
| 50 kn | 57.5389724012 mph |
| 100 kn | 115.077944802 mph |
| 500 kn | 575.389724012 mph |
| 1,000 kn | 1,150.77944802 mph |
About the units
Knot (kn)
A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea.
Mile per Hour (mph)
Miles per hour is the road speed unit in the US and UK; 1 mph is exactly 0.44704 m/s.
How to use this converter
- Type the number of knots (kn) in the input box.
- The result in miles per hour appears instantly — no button needed.
- See the same value in every other speed unit just below.
- Use “Swap units” to convert miles per hour back to knots.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many miles per hour are in one knot?
One knot equals 1.15077944802 miles per hour. 1.15077944802 is the exact factor used by this converter.
How do I convert knots to miles per hour?
Multiply the value in knots by 1.15077944802. To go the other way, multiply miles per hour by 0.868976241901.
What is 10 kn in mph?
10 kn = 11.5077944802 mph. Also, 5 kn = 5.75389724012 mph and 100 kn = 115.077944802 mph.
What is the difference between a knot and a mile per hour?
A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea. Miles per hour is the road speed unit in the US and UK; 1 mph is exactly 0.44704 m/s.
Is this tool free and private?
Yes — the Knot to Mile per Hour is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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