[ nmi / km — Length ] instant · works offline
Nautical miles · nmi
1.852
Kilometres · km
1 nmi = 1.852 km
Nautical miles → Kilometres
Formula

1 nmi = 1.852 km

Multiply the number of nautical miles by 1.852. For example, 50 nmi × 1.852 = 92.6 km.

Quick Reference — Nautical miles to Kilometres
About Length Units

Most of the world measures distance in metres and kilometres, while the United States uses miles, feet and inches for everyday distances, and the UK still signs its roads in miles. Nautical miles (exactly 1,852 m) are used at sea and in aviation. The inch is defined as exactly 2.54 cm and the foot as exactly 0.3048 m, so these conversions are exact.

Related Conversions
ft → km mi → km All length units
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FAQ — Nautical miles to Kilometres

How do I convert nautical miles to kilometres?

Multiply the number of nautical miles by 1.852. For example, 50 nmi × 1.852 = 92.6 km.

How many kilometres are in one nautical mile?

1 nautical mile = 1.852 km (shown to up to 7 significant figures).

Is the conversion exact?

Yes for metric–imperial length: the international inch is exactly 2.54 cm, the foot exactly 0.3048 m and the mile exactly 1,609.344 m. Results are shown to 7 significant figures.

Does this converter work offline?

Yes. Once the page has loaded, conversions run entirely in your browser and nothing is sent to a server.