Kilometers to Nautical Miles Converter
Convert kilometers to nautical miles (and back) using the exact ratio of 1 NM = 1.852 km, with a reference table of common distances.
Distance Converter
Result
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Formula: 1 nautical mile = 1.852 km (exact, per International Hydrographic Organization)
Common Distance Reference
| Distance / Route | km | NM |
|---|
Click any row to load that distance into the converter.
Summary
Convert kilometers to nautical miles (and back) using the exact ratio of 1 NM = 1.852 km, with a reference table of common distances.
How it works
- Type a distance in the kilometers field to convert to nautical miles.
- Or type in the nautical miles field to convert back to kilometers.
- The result updates instantly as you type.
- Click "Swap" to flip the input and output fields.
- Scroll down to the reference table for common distance benchmarks.
Use cases
- Pilots and sailors converting flight or voyage distances.
- Students converting units for geography or navigation exams.
- Checking chart distances in nautical miles against road distances in kilometers.
- Planning ocean crossings or coastal passages.
- Verifying METAR/TAF visibility figures against kilometer equivalents.
- Converting GPS track logs between metric and nautical units.
Frequently Asked Questions
Last updated: 2026-06-10 ·
Reviewed by Nham Vu