Convert 500 km to nmi

How to convert kilometers to nautical miles

1. Formula: nautical miles = kilometers × 0.5399568
2. Put in the value: 500 kilometers.
3. Result: 269.978402 nautical miles.

Kilometers to nautical miles table

Converting the other way: nautical miles to kilometers

kilometers = nautical miles × 1.852. So 269.978402 nautical miles is back to 500 kilometers; one nautical mile is 1.852 kilometers. See the nautical miles to kilometers table.

Quick estimate in your head

For a rough answer, multiply by about 0.5: 500 × 0.5 ≈ 250 nmi, against the exact 269.978402 nmi (7.4% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A kilometer is smaller than a nautical mile, so the number of nautical miles must come out smaller than the number of kilometers. If your answer goes the other way, divide instead of multiplying.

About the units

Kilometer (km) and nautical mile (nmi) are both units of length. One kilometer equals 0.5399568 nautical miles, and one nautical mile equals 1.852 kilometers. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

500 kilometers in other units

The most readable unit for this amount is nautical miles (269.978402).

• 500,000,000 mm
• 50,000,000 cm
• 500,000 m
• 19,685,039.37 in
• 1,640,419.95 ft
• 546,806.65 yd
• 310.685596 mi
• 269.978402 nmi
• 273,403.32 fm
• 500,000,000,000 um