Kilometers to Nautical Miles

1 kilometer = 0.5399568035 nautical miles. To convert kilometers (km) to nautical miles (nmi), divide by 1.852.

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How to convert kilometers to nautical miles

nmi = km ÷ 1.852

Example: convert 8 kilometers to nautical miles.
8 km ÷ 1.852 = 4.319654428 nmi

The same relationship in reverse: 1 nautical mile = 1.852 kilometers, so you can also multiply by 0.5399568035. Need the other direction? Use the nautical miles to kilometers converter.

You will typically need this conversion for flight planning, sailing and maritime charts.

Kilometers to Nautical Miles conversion chart

Kilometers (km)Nautical Miles (nmi)
1 km0.5399568 nmi
2 km1.0799136 nmi
3 km1.6198704 nmi
4 km2.1598272 nmi
5 km2.699784 nmi
6 km3.2397408 nmi
7 km3.7796976 nmi
8 km4.3196544 nmi
9 km4.8596112 nmi
10 km5.399568 nmi
15 km8.0993521 nmi
20 km10.799136 nmi
25 km13.49892 nmi
30 km16.198704 nmi
40 km21.598272 nmi
50 km26.99784 nmi
75 km40.49676 nmi
100 km53.99568 nmi
250 km134.9892 nmi
500 km269.9784 nmi
1,000 km539.9568 nmi

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Kilometer (km)

One thousand meters. Used for road distances, running races and map scales in almost every country outside the US and UK.

Nautical Mile (nmi)

Exactly 1,852 m by international agreement (1929), roughly one minute of latitude. Used in aviation and at sea.

Frequently asked questions

How many nautical miles are in a kilometer?

1 kilometer = 0.5399568035 nautical miles. Going the other way, 1 nautical mile = 1.852 kilometers.

How do I convert kilometers to nautical miles?

To convert kilometers to nautical miles, divide by 1.852. The formula is nmi = km ÷ 1.852.

What is 8 km in nmi?

8 kilometers is 4.319654428 nautical miles (8 km ÷ 1.852 = 4.319654428 nmi).

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