Knots to Nautical Miles Converter
Convert knot speed to nautical miles per hour instantly for maritime and aviation needs.
Quick Reference Table
| Knots (kn) | Nautical Miles/Hour (nm/h) |
|---|---|
| 1 | 1 |
| 5 | 5 |
| 10 | 10 |
| 20 | 20 |
| 30 | 30 |
| 40 | 40 |
| 50 | 50 |
| 75 | 75 |
| 100 | 100 |
1 knot equals exactly 1 nautical mile per hour by definition [web:1][web:2].
Conversion Steps
Example: 15 knots to nautical miles/hour
- Enter 15 in the value field.
- Select “knots (kn)” as from unit.
- Select “nautical miles/hour (nm/h)” as to unit.
- Result: 15 nm/h appears automatically.
Reverse: 25 nm/h to knots
- Enter 25, select nm/h to knots.
- Result: 25 kn.
Popular Conversions
- 10 knots = 10 nautical miles/hour (cruising speed for small vessels)
- 20 knots = 20 nm/h (common yacht speed)
- 30 knots = 30 nm/h (fast ferry average)
- 50 knots = 50 nm/h (high-speed craft)
Related Units
Frequently Asked Questions
Why use knots for speed?
Knots measure nautical miles per hour, ideal for sea and air navigation due to link with latitude minutes [web:2].
Is knot the same as nautical miles per hour?
Yes, exactly 1 knot = 1 nautical mile per hour [web:1].
What is a nautical mile?
Exactly 1852 meters, based on Earth’s latitude [web:2][page:1].
Used in aviation too?
Yes, for true airspeed (TAS), indicated airspeed (IAS) [web:2].
References
- Wikipedia. (2024). Knot (unit). https://en.wikipedia.org/wiki/Knot_(unit)
- ConvertUnits.com. Knots to nautical miles per hour. https://www.convertunits.com/from/knots/to/nautical+miles+per+hour
- Rechneronline.de. Knot – Nautical Mile – Calculator for Ships. https://rechneronline.de/ship/