321 km ≈ 173.326 nmi. To convert kilometers to nautical miles, multiply by 0.5399568: 321 × 0.5399568 = 173.326.
How to convert kilometers to nautical miles
nmi = km × 0.5399568
- 1 km = 0.5399568 nmi (and 1 nmi = 1.852 km).
- Multiply the amount by the factor: 321 × 0.5399568 = 173.326.
- Answer: 321 km ≈ 173.326 nmi (rounded to 6 significant figures).
Kilometers to Nautical Miles table
| Kilometers (km) | Nautical Miles (nmi) |
|---|---|
| 316 km | 170.626 nmi |
| 317 km | 171.166 nmi |
| 318 km | 171.706 nmi |
| 319 km | 172.246 nmi |
| 320 km | 172.786 nmi |
| 321 km | 173.326 nmi |
| 322 km | 173.866 nmi |
| 323 km | 174.406 nmi |
| 324 km | 174.946 nmi |
| 325 km | 175.486 nmi |
| 326 km | 176.026 nmi |
| km | nmi |
|---|---|
| 1 km | 0.539957 nmi |
| 5 km | 2.6998 nmi |
| 10 km | 5.3996 nmi |
| 50 km | 26.9978 nmi |
| 100 km | 53.9957 nmi |
| 1,000 km | 539.957 nmi |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.