Marks Calc

kilometers to nautical miles

Convert kilometer to nautical mile — instant, free, with the formula shown.

1 km=0.539957 nmi

How to convert kilometer to nautical mile

To convert kilometer to nautical mile, multiply by 0.5399568:

nmi = km × 0.5399568

For example, 10 km × 0.539957 = 5.399568 nmi.

km to nmi conversion table

kilometers (km)nautical miles (nmi)
1 km0.539957 nmi
2 km1.079914 nmi
5 km2.699784 nmi
10 km5.399568 nmi
25 km13.49892 nmi
50 km26.99784 nmi
100 km53.99568 nmi
250 km134.989201 nmi
500 km269.978402 nmi
1000 km539.956803 nmi
Reverse: Nautical Mile to Kilometer

Other kilometer conversions

Convert to nautical mile from another unit

km to nmi — frequently asked

How many nautical miles are in 1 kilometer?

1 kilometer = 0.539957 nautical miles (km × 0.539957 = nmi).

What is the formula to convert kilometer to nautical mile?

Multiply your kilometer value by 0.5399568 to get nautical mile.

How do I convert 10 kilometers to nautical miles?

10 km = 5.399568 nmi. For 100 km the answer is 53.99568 nmi. Use the calculator on this page for any other value.

When to convert kilometer to nautical mile

1Engineering and construction (mm to feet, meters to inches)
2Running, cycling and athletics (km to miles, miles to yards)
3International shipping and travel (nautical miles, kilometers)
4Manufacturing tolerances (micrometers and nanometers)

Length conversion — common questions

How many feet are in 1 meter?

1 meter equals approximately 3.2808 feet. The exact conversion factor is 1 ft = 0.3048 m.

How do I convert kilometers to miles?

Multiply the kilometer value by 0.621371. For example, 10 km × 0.621371 ≈ 6.2137 miles.

Is 1 yard exactly 3 feet?

Yes. By definition 1 yard = 3 feet = 36 inches = 0.9144 meters.

See all length converters