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Kilometers to nautical miles

1 kilometer in nautical miles
1 km = 0.53996 nmi
nmi = km × 0.5399568035

To convert kilometers to nautical miles, multiply by 0.5399568035. The table below gives the values people look up most often, and the converter works for any number.

Kilometers to nautical miles table

Common kilometer values converted to nautical miles.
Kilometers Nautical miles
1 km 0.53996
2 km 1.079914
3 km 1.61987
4 km 2.159827
5 km 2.699784
10 km 5.399568
15 km 8.099352
20 km 10.79914
25 km 13.49892
30 km 16.1987
40 km 21.59827
50 km 26.99784
75 km 40.49676
100 km 53.99568
250 km 134.9892
500 km 269.9784
1,000 km 539.9568

How the conversion works

The relationship is nmi = km × 0.5399568035. Both units measure length, so the conversion is a fixed factor that never changes.

Common questions

How many nautical miles are in one kilometer?
One kilometer equals 0.53996 nautical miles. nmi = km × 0.5399568035.
How do you convert kilometers to nautical miles?
Use nmi = km × 0.5399568035. So 10 km is 5.399568 nmi.
How many kilometers are in one nautical mile?
One nautical mile equals 1.852 kilometers, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked