Skip to content
Engyna

Convert kilometers to nautical miles

Convert kilometers (km) to nautical miles (nmi). 1 km = 0.539957 nmi, and 1 nmi = 1.852 km.

1 km = 0.539957 nmi

KM to Nautical Miles formula

nmi = km ÷ 1.852

Divide the number of kilometers by 1.852.

Example: To convert 1 km to nautical miles: 1 ÷ 1.852 = 0.539957 nmi.

Quick answers

What is 1 km in nautical miles?
1 km = 0.539957 nmi
What is 5 km in nautical miles?
5 km = 2.69978 nmi
What is 10 km in nautical miles?
10 km = 5.39957 nmi
What is 21.0975 km in nautical miles?
21.0975 km = 11.3917 nmi
What is 42.195 km in nautical miles?
42.195 km = 22.7835 nmi

KM to Nautical Miles conversion table

Nautical Miles to KM table
kilometers (km)nautical miles (nmi)
1 km0.539957 nmi
2 km1.07991 nmi
3 km1.61987 nmi
5 km2.69978 nmi
10 km5.39957 nmi
15 km8.09935 nmi
20 km10.7991 nmi
21.0975 km11.3917 nmi
25 km13.4989 nmi
42.195 km22.7835 nmi
50 km26.9978 nmi
100 km53.9957 nmi
150 km80.9935 nmi
200 km107.991 nmi
250 km134.989 nmi
500 km269.978 nmi
1,000 km539.957 nmi

Frequently asked questions

How many kilometers are in a nautical mile?

There are 1.852 kilometers in a nautical mile (1 nmi = 1.852 km), so 1 km = 0.539957 nmi.

How do I convert kilometers to nautical miles?

Divide the number of kilometers by 1.852. To convert 1 km to nautical miles: 1 ÷ 1.852 = 0.539957 nmi.

Is the KM to Nautical Miles conversion exact?

Yes. Both units are defined exactly, so 1 kilometer is exactly 0.539956803456 nautical miles. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1 km in nautical miles?

1 km = 0.539957 nmi.

How do I convert nautical miles back to kilometers?

Use the reverse relationship: 1 nmi = 1.852 km. The Nautical Miles to KM page has a converter and a full table.

More length conversions

All unit conversions