Convert kilometer to nautical mile (international) instantly. Type in either field — results update live.
Selected km values converted to nmi using the exact factor from this tool.
| km | nmi |
|---|---|
| 0.01 | 0.005399568 |
| 0.1 | 0.0539956803 |
| 1 | 0.5399568035 |
| 2 | 1.0799136069 |
| 3 | 1.6198704104 |
| 5 | 2.6997840173 |
| 10 | 5.3995680346 |
| 20 | 10.7991360691 |
| 50 | 26.9978401728 |
| 100 | 53.9956803456 |
| 1,000 | 539.9568034557 |
Exact conversion factors in both directions, plus a worked example.
1 km = 0.5399568035 nmi
1 nmi = 1.852 km
To convert kilometer to nautical mile (international), multiply by 0.5399568035.
To convert nautical mile (international) to kilometer, multiply by 1.852.
Example: convert 5 km to nmi
5 × 0.5399568035 = 2.6997840173 nmi
Short background on the units used in this conversion.
A kilometer is one thousand meters — a practical scale for longer distances such as travel routes and geographic features.
Kilometers are the default unit on maps and vehicle odometers outside the United States, and in athletics for race distances.
A nautical mile is 1,852 meters, based on one minute of latitude along the Earth’s surface.
Nautical miles are standard in maritime and aviation navigation, chart plotting, and international waters law.
nmi = km × 0.5399568035km = nmi × 1.852, using the same exact factors as this converter.Jump to any length conversion starting from kilometer — including the reverse direction and every other unit in our dataset.