Nautical Miles to Kilometers

1 nautical mile = 1.852 kilometers. To convert nautical miles (nmi) to kilometers (km), multiply by 1.852.

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How to convert nautical miles to kilometers

km = nmi × 1.852

Example: convert 8 nautical miles to kilometers.
8 nmi × 1.852 = 14.816 km

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

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

Nautical Miles to Kilometers conversion chart

Nautical Miles (nmi)Kilometers (km)
1 nmi1.852 km
2 nmi3.704 km
3 nmi5.556 km
4 nmi7.408 km
5 nmi9.26 km
6 nmi11.112 km
7 nmi12.964 km
8 nmi14.816 km
9 nmi16.668 km
10 nmi18.52 km
15 nmi27.78 km
20 nmi37.04 km
25 nmi46.3 km
30 nmi55.56 km
40 nmi74.08 km
50 nmi92.6 km
75 nmi138.9 km
100 nmi185.2 km
250 nmi463 km
500 nmi926 km
1,000 nmi1,852 km

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

About the units

Nautical Mile (nmi)

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

Kilometer (km)

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

Frequently asked questions

How many kilometers are in a nautical mile?

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

How do I convert nautical miles to kilometers?

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

What is 8 nmi in km?

8 nautical miles is 14.816 kilometers (8 nmi × 1.852 = 14.816 km).

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