Convert km to nautical miles
Convert kilometers to nautical miles by entering a value below.
How to Convert Kilometers to Nautical Miles
The kilometer and nautical mile are both units of length. 1 nautical mile equals 1.852 kilometers. This means to convert kilometers to nautical miles, you divide by 1.852.
Formula
Step-by-Step Example
Convert 5 km to nautical miles:
We need to convert kilometers to nautical miles
Since 1 nmi = 1.852 km, divide by 1.852
5 ÷ 1.852 = 2.6997840173
5 km = 2.6997840173 nmi
Kilometer to Nautical Mile Conversion Table
Quick reference table for common kilometer to nautical mile conversions. Click any value for detailed calculation.
| Kilometers (km) | Nautical Miles (nmi) |
|---|---|
| 1 km | 0.5399568035 nmi |
| 2 km | 1.0799136069 nmi |
| 5 km | 2.6997840173 nmi |
| 10 km | 5.3995680346 nmi |
| 15 km | 8.0993520518 nmi |
| 20 km | 10.799136069 nmi |
| 25 km | 13.498920086 nmi |
| 50 km | 26.997840173 nmi |
| 100 km | 53.995680346 nmi |
About These Units
Kilometer (km)
A kilometer (km) is a metric unit of length equal to 1,000 meters or approximately 0.621 miles. Kilometers are the standard unit for measuring road distances, running races, and geographic distances in most countries worldwide. Common conversions: 1 km = 0.621 miles, 1 mile = 1.609 km.
Nautical Mile (nmi)
A nautical mile (nmi or NM) is exactly 1,852 meters or 1.151 statute miles. Nautical miles are the standard unit for maritime and aviation navigation, based on one minute of latitude. Ship and aircraft speeds are measured in knots (nautical miles per hour).
Frequently Asked Questions
How do I convert kilometers to nautical miles?
To convert kilometers to nautical miles, divide the value by 1.852. For example, 10 km = 5.3995680346 nmi.
How many nautical miles are in 1 kilometer?
1 kilometer equals 0.5399568035 nautical miles.
What is the formula for kilometers to nautical miles?
The formula is: nmi = km ÷ 1.852.