Length
Miles to Nautical Miles
Convert miles to nautical miles instantly.
About this conversion
Miles (mi) are the primary road distance unit in the US and UK. One mile equals 1,609 meters. Nautical miles (nmi) are used in maritime and air navigation. One nautical mile equals 1,852 meters. 1.1508 miles equal 1 Nautical Miles. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the miles field and instantly see the result in nautical miles. Click the swap button to reverse the conversion.
Manual calculation
1 miles = 0.86898 nautical miles. Example: 10 mi = 8.6898 nmi.
Frequently asked questions
How do you convert miles to nautical miles?
Divide the number of miles by 1.1508 to get nautical miles. Example: 50 mi ÷ 1.1508 = 43.449 nmi.
Are miles bigger or smaller than nautical miles?
Miles is smaller than Nautical Miles. There are 1.1508 miles in one nautical mile, so the result is a smaller number when converting from miles to nautical miles.
What is 10 miles in nautical miles?
10 mi equals 8.6898 nmi.
How many miles are in 1 nautical mile?
1 nmi equals 1.1508 mi. This is the reverse conversion — useful if you have a value in nautical miles and want it in miles.
What is mile?
Miles (mi) are the primary road distance unit in the US and UK. One mile equals 1,609 meters.
What is nautical mile used for?
Nautical miles (nmi) are used in maritime and air navigation. One nautical mile equals 1,852 meters.