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Kilometers to Nautical Miles converter

Convert km to nmi instantly. Type any value and get the result in nautical miles. 1 km = 0.539957 nmi.

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Length›km → nmi
From
To
result below ↓
1 km=
0.539957nmi
formula1 km = 0.539957 nmi

Common kilometers → nautical miles

=0.539957 nmi
=1.07991 nmi
=2.69978 nmi
=5.39957 nmi
=10.7991 nmi
=26.9978 nmi
=53.9957 nmi
=269.978 nmi
=539.957 nmi

Need a different value? .

Convert the other way
Nautical Miles to Kilometers

How to convert kilometers to nautical miles

To convert kilometers to nautical miles, multiply the value by 0.539957.

Formula
nmi = km × 0.539957

For example:

  • →5 km = 2.69978 nmi
  • →100 km = 53.9957 nmi

Quick reference

  • ▸1 km = 0.539957 nmi
  • ▸1 nmi = 1.852 km

When you need to convert km to nmi

  • ·Clothing measurements — shirt length, pant inseam, fabric width.
  • ·Height conversion — converting your height between metric and imperial systems.
  • ·TV and monitor screen sizes — almost always quoted in inches.
  • ·Paper sizes — A4 vs US Letter, photo print dimensions.
  • ·Travel — reading road signs and distances abroad.

Frequently asked

How many nautical miles are in 1 kilometer?
One kilometer equals 0.539957 nautical miles.
How do I convert km to nmi in my head?
Multiply the value in kilometers by 0.539957 to get nautical miles.
What is the formula for kilometers to nautical miles?
nmi = km × 0.539957.
What is the reverse — how many kilometers in 1 nautical mile?
One nautical mile equals 1.852 kilometers.

Related conversions

Nautical Miles to Kilometers
1 nmi = 1.852 km
Kilometers to Millimeters
1 km = 1,000,000 mm
Kilometers to Centimeters
1 km = 100,000 cm
Kilometers to Meters
1 km = 1,000 m
Millimeters to Nautical Miles
1 mm = 5.3996e-7 nmi
Centimeters to Nautical Miles
1 cm = 5.3996e-6 nmi
Meters to Nautical Miles
1 m = 0.000539957 nmi
Inches to Nautical Miles
1 in = 1.3715e-5 nmi
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