Nautical Mile to Kilometre
Free instant nautical mile to kilometre converter. 1 nmi = 1.852 km.
Common Nautical Mile to Kilometre values
| Nautical Mile (nmi) | Kilometre (km) |
|---|---|
| 1 | 1.852 |
| 5 | 9.26 |
| 10 | 18.52 |
| 25 | 46.3 |
| 50 | 92.6 |
| 100 | 185.2 |
| 500 | 926 |
| 1000 | 1852 |
How does Nautical Mile to Kilometre conversion work?
Type a value in the Nautical Mile (nmi) field and the equivalent in Kilometre (km) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Nautical Mile. Used in marine and air navigation. Defined as exactly 1,852 metres — about 1.151 statute miles.
Kilometre. A metric unit equal to 1,000 metres. About 0.62 miles. A typical brisk-walk pace covers a kilometre in 10–12 minutes.
⚡ Instant results
No submit button — the result updates as you type. Math runs entirely in your browser, so it’s as fast as your device.
📱 Use on any device
Works in any modern browser — Mac, Windows, Linux, iPhone, Android, tablets. No installation, no signup.
🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
🎁 Always free, no signup
Free, every time. No account, no email, no “trial” that becomes paid. Ad-supported so you never have to pay.