Convert Knots to Miles per Hour
kn to mph · speed conversion
What are knots and miles per hour?
A knot is one nautical mile per hour (1.852 km/h), used in aviation and shipping. Miles per hour is the standard speed unit for roads in the US and UK. For reference: a brisk walk is about 5 km/h (3 mph), and highway speed is around 100 km/h (62 mph).
How to convert knots to miles per hour
1 kn = 1.15078 mph. To convert, multiply the number of knots by 1.15078. For example, 5 kn = 5.75389 mph, and 20 kn = 23.0156 mph. To go the other way, multiply miles per hour by 0.868977 (since 1 mph = 0.868977 kn).
Knots to Miles per Hour conversion table
| Knots (kn) | Miles per Hour (mph) |
|---|---|
| 1 | 1.15078 |
| 5 | 5.75389 |
| 10 | 11.5078 |
| 30 | 34.5234 |
| 60 | 69.0467 |
| 100 | 115.078 |
| 120 | 138.093 |
FAQ
What is 1 kn in mph?
1 kn = 1.15078 mph. To convert any amount, multiply the number of knots by 1.15078.
How do I convert miles per hour back to knots?
Go the other way: 1 mph = 0.868977 kn, so multiply miles per hour by 0.868977 to get knots.
Is a knot bigger than a miles per hour?
Yes — 1 kn is the larger unit, equal to 1.15078 mph.
Are these speed conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.