Knots to Miles per hour Converter
Convert knots (kn) to miles per hour (mph) instantly. Type a value above and the result updates while you type. 1 knot equals 1.15078 miles per hour.
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
1 knot = 1.15078 miles per hour
Multiply the knots value by 1.15078 to get miles per hour. Or divide by 0.868976 to go the other way.
Knots to miles per hour conversion table
| kn | mph |
|---|---|
| 1 | 1.15078 |
| 2 | 2.30156 |
| 3 | 3.45234 |
| 4 | 4.60312 |
| 5 | 5.7539 |
| 6 | 6.90468 |
| 7 | 8.05546 |
| 8 | 9.20624 |
| 9 | 10.357 |
| 10 | 11.5078 |
| 15 | 17.2617 |
| 20 | 23.0156 |
| 25 | 28.7695 |
| 50 | 57.539 |
| 75 | 86.3085 |
| 100 | 115.078 |
Worked examples
- 5 kn × 1.15078 = 5.7539 mph
- 30 kn × 1.15078 = 34.5234 mph
- 165 kn × 1.15078 = 189.879 mph
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
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Frequently asked questions
How many miles per hour are in 1 knot?
1 knot equals 1.15078 miles per hour (kn → mph).
How do you convert knots to miles per hour?
Multiply the number of knots by 1.15078. For example: 10 kn × 1.15078 = 11.5078 mph.
What is 50 kn in mph?
50 kn equals 57.539 mph.
Which is bigger: 1 knot or 1 mile per hour?
1 knot is bigger: it equals 1.15078 miles per hour.