---
title: "Nautical miles to Kilometers — nmi to km converter"
description: "1 nautical mile = 1.852 kilometers. Convert nautical miles to kilometers with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/nautical-miles-to-km/
site: "At One Place"
---

# Nautical miles to kilometers

**1 nautical mile in kilometers: 1 nmi = 1.852 km**

km = nmi × 1.852

To convert nautical miles to kilometers, multiply by 1.852. The table below gives the values people look up most often, and the converter works for any number.

## Nautical miles to kilometers table

*Common nautical mile values converted to kilometers.*

| Nautical miles | Kilometers |
| --- | --- |
| 1 nmi | 1.852 |
| 2 nmi | 3.704 |
| 3 nmi | 5.556 |
| 4 nmi | 7.408 |
| 5 nmi | 9.26 |
| 10 nmi | 18.52 |
| 15 nmi | 27.78 |
| 20 nmi | 37.04 |
| 25 nmi | 46.3 |
| 30 nmi | 55.56 |
| 40 nmi | 74.08 |
| 50 nmi | 92.6 |
| 75 nmi | 138.9 |
| 100 nmi | 185.2 |
| 250 nmi | 463 |
| 500 nmi | 926 |
| 1,000 nmi | 1,852 |

## How the conversion works

The relationship is km = nmi × 1.852. Both units measure length, so the conversion is a fixed factor that never changes.

## Common questions

### How many kilometers are in one nautical mile?

One nautical mile equals 1.852 kilometers. km = nmi × 1.852.

### How do you convert nautical miles to kilometers?

Use km = nmi × 1.852. So 10 nmi is 18.52 km.

### How many nautical miles are in one kilometer?

One kilometer equals 0.53996 nautical miles, which is the reverse of the conversion above.

## Related pages

- [Kilometers to Nautical miles](https://atoneplace.net/convert/km-to-nautical-miles/)
- [Nautical miles to Meters](https://atoneplace.net/convert/nautical-miles-to-meters/)
- [Nautical miles to Centimeters](https://atoneplace.net/convert/nautical-miles-to-cm/)
- [Nautical miles to Millimeters](https://atoneplace.net/convert/nautical-miles-to-mm/)
- [Nautical miles to Miles](https://atoneplace.net/convert/nautical-miles-to-miles/)
- [Nautical miles to Yards](https://atoneplace.net/convert/nautical-miles-to-yards/)
- [Nautical miles to Feet](https://atoneplace.net/convert/nautical-miles-to-feet/)
- [Nautical miles to Inches](https://atoneplace.net/convert/nautical-miles-to-inches/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)