How many kilometers is one nautical mile?

One nautical mile equals exactly 1.852 kilometers by the international definition.

How does this differ from a regular kilometer-to-miles converter?

A nautical mile (1.852 km) is longer than a statute mile (1.609 km), so results will differ noticeably.

Yes. Meteorological agencies often give tropical storm positions in nautical miles from a landmark.

No. Speed over water uses knots (nautical miles per hour); use the km/h-to-knots converter instead.

Enter kilometers, get the equivalent marine distance in nautical miles.

Value in kilometers (km)

Quick values

Formula: result = value × 0.539957

1 kilometers =

— nautical miles

nmi

Common conversions

kilometers	nautical miles

Enter kilometers, get the equivalent marine distance in nautical miles.

Last updated: 2026-06-09 · Reviewed by Nham Vu