Nautical Miles to Kilometers Converter

Convert nautical miles to kilometers instantly. Free nautical miles to km converter with quick reference table and formula. 1 nautical mile = 1.852 km.

1.852
Kilometer (km)
Input Value
1 nmi (Nautical Mile)
About a 12-minute walk
1,852 meters. Used in maritime and aviation navigation.

How to Convert Nautical Mile to Kilometer

Simple formula with a worked example

To convert nautical mile (nmi) to kilometer (km), use this formula:

km = nautical miles × 1.852

Example: Convert 100 nmi to km

100 nmi = 185.2 km

To convert back, use: nautical miles = km ÷ 1.852

Nautical Mile to Kilometer Conversion Table

Quick reference for common nautical mile to kilometer conversions

Nautical Mile (nmi)Kilometer (km)
1 nmi1.852 km
2 nmi3.704 km
5 nmi9.26 km
10 nmi18.52 km
25 nmi46.3 km
50 nmi92.6 km
100 nmi185.2 km
250 nmi463 km
500 nmi926 km
1,000 nmi1,852 km

About Nautical Mile and Kilometer

Understanding these length units

Nautical Mile (nmi)

1,852 meters. Used in maritime and aviation navigation.

Kilometer (km)

1,000 meters. Standard for road distances.

When You Need This Conversion

  • maritime navigation
  • aviation distance
  • sea route planning
  • naval operations

Did you know? A nautical mile is defined as exactly 1,852 meters — one minute of arc of latitude along Earth's surface. This makes it uniquely useful for navigation with charts and maps.

Frequently Asked Questions

Common questions about converting nautical mile to kilometer

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