Nautical Miles to Kilometres

Convert nmi to km instantly — formula, worked examples and a conversion table of common values.

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About the Nautical Miles to Kilometres

Convert nautical miles (nmi) to kilometres (km). Enter a value on either side and the other updates instantly — nothing is sent to a server.

One nautical mile equals 1.852 km. The table below lists the values people look up most often, and each one links to a page with the worked calculation.

Nautical Miles to Kilometres formula

km = nmi × 1.852

Nautical mile to kilometre conversion table

Nautical mile (nmi)	Kilometre (km)
0.1	0.1852
0.5	0.926
1	1.852
2	3.704
3	5.556
5	9.26
10	18.52
15	27.78
20	37.04
25	46.3
50	92.6
75	138.9
100	185.2
250	463
500	926
1,000	1,852

Popular nmi to km conversions

Frequently asked questions

How many kilometres are in 1 nautical mile?

1 nautical mile = 1.852 km.

What is 10 nmi in kilometres?

10 nmi = 18.52 km.

What is 100 nmi in kilometres?

100 nmi = 185.2 km.

How do I convert nautical miles to kilometres?

Use the formula km = nmi × 1.852. Or type any value into the converter above — it works in both directions.