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Kilometers to Nautical Miles Converter

1 kilometer = 0.5399568035 nmi. Enter any value to convert kilometers (km) to nautical miles (nmi), or use the table below for common values.

Results

1 km =0.5399568035 nmikilometers → nautical miles
1 km0.5399568035 nmi
1 nmi1.852 km
Formula
nmi = km × 0.5399568035
1 km in other units
UnitValue
millimeters (mm)1,000,000
centimeters (cm)100,000
meters (m)1,000
inches (in)39,370.07874
feet (ft)3,280.839895
yards (yd)1,093.613298
miles (mi)0.6213711922
nautical miles (nmi)0.5399568035

Formula

nmi = km × 0.5399568035

Example: 10 km = 5.399568035 nmi. To convert the other way, use km = nmi × 1.852.

Quick mental estimate: multiply by about 0.54.

Kilometers to Nautical Miles conversion table

Kilometers (km)Nautical Miles (nmi)
1 km0.5399568035 nmi
2 km1.079913607 nmi
3 km1.61987041 nmi
4 km2.159827214 nmi
5 km2.699784017 nmi
6 km3.239740821 nmi
7 km3.779697624 nmi
8 km4.319654428 nmi
9 km4.859611231 nmi
10 km5.399568035 nmi
15 km8.099352052 nmi
20 km10.79913607 nmi
25 km13.49892009 nmi
30 km16.1987041 nmi
40 km21.59827214 nmi
50 km26.99784017 nmi
75 km40.49676026 nmi
100 km53.99568035 nmi
250 km134.9892009 nmi
500 km269.9784017 nmi
1,000 km539.9568035 nmi

About kilometers and nautical miles

The kilometer is 1,000 meters. It is the standard unit for road distances and speed limits in most of the world.

The nautical mile is exactly 1,852 meters, originally one minute of latitude. It is used in aviation and at sea, together with the knot.

Other Length conversions

Nautical Miles → KilometersReverse conversionMillimeters → Nautical Milesmm → nmiCentimeters → Nautical Milescm → nmiMeters → Nautical Milesm → nmiKilometers → Millimeterskm → mmKilometers → Centimeterskm → cmKilometers → Meterskm → mKilometers → Incheskm → inKilometers → Feetkm → ftKilometers → Yardskm → ydKilometers → Mileskm → miInches → Nautical Milesin → nmiFeet → Nautical Milesft → nmiYards → Nautical Milesyd → nmiMiles → Nautical Milesmi → nmi

Frequently asked questions

How do I convert kilometers to nautical miles?

Use the formula nmi = km × 0.5399568035. For example, 10 km = 5.399568035 nmi.

What is 1 kilometer in nautical miles?

1 km = 0.5399568035 nmi.

How do I convert nautical miles back to kilometers?

Use km = nmi × 1.852. 1 nmi = 1.852 km.