mph to Knots Converter
1 mph = 0.869 knots
1 mph =
0.869
knots (kn)
Exact: 1 mph = 0.868976 knots
30 mph26.07 kn
60 mph52.14 kn
100 mph86.9 kn
1 knot1.151 mph
mph =kn
How to Convert mph to Knots
Knots = mph × 0.868976
1 knot = 1 nautical mile per hour = 1.15078 mph
mph = Knots × 1.15078
To convert knots back to mph
30 mph in knots26.07 kn
60 mph in knots52.14 kn
100 mph in knots86.90 kn
1 knot in mph1.15078 mph
Why knots? Knots are used in aviation and maritime navigation because 1 knot = 1 nautical mile/hour, and 1 nautical mile ≈ 1 arcminute of latitude — making navigation charts much easier to use.
mph to Knots Reference Table
| mph | Knots (kn) | km/h |
|---|---|---|
| 1 mph | 0.869 kn | 1.6 km/h |
| 5 mph | 4.345 kn | 8 km/h |
| 10 mph | 8.69 kn | 16.1 km/h |
| 15 mph | 13.035 kn | 24.1 km/h |
| 20 mph | 17.379 kn | 32.2 km/h |
| 25 mph | 21.724 kn | 40.2 km/h |
| 30 mph | 26.069 kn | 48.3 km/h |
| 35 mph | 30.414 kn | 56.3 km/h |
| 40 mph | 34.759 kn | 64.4 km/h |
| 45 mph | 39.104 kn | 72.4 km/h |
| 50 mph | 43.449 kn | 80.5 km/h |
| 55 mph | 47.794 kn | 88.5 km/h |
| 60 mph | 52.138 kn | 96.6 km/h |
| 65 mph | 56.483 kn | 104.6 km/h |
| 70 mph | 60.828 kn | 112.7 km/h |
| 75 mph | 65.173 kn | 120.7 km/h |
| 80 mph | 69.518 kn | 128.7 km/h |
| 100 mph | 86.898 kn | 160.9 km/h |
| 120 mph | 104.277 kn | 193.1 km/h |
| 150 mph | 130.347 kn | 241.4 km/h |
Frequently Asked Questions
How many knots is 60 mph?
60 mph = 52.14 knots. Multiply 60 × 0.868976 = 52.14 kn. Cruising speed for many small aircraft is around 100–150 knots (115–173 mph).
What is a knot in mph?
1 knot = 1.15078 mph. A knot is 1 nautical mile per hour. Nautical miles are used in aviation and maritime navigation.
Is a knot faster than mph?
Yes — 1 knot = 1.151 mph. So knots are slightly larger than mph. 100 knots = 115.08 mph.
How fast is 200 knots in mph?
200 knots = 230.16 mph. Multiply 200 × 1.15078 = 230.16 mph.