Convert miles to nautical miles
Enter the number of miles that you want to convert to nautical miles.
How to Convert Miles to Nautical Miles
The mile and nautical mile are both units of length. 1 nautical mile equals 1.150779448 miles. This means to convert miles to nautical miles, you divide by 1.150779448.
Formula
Step-by-Step Example
Convert 5 mi to nautical miles:
We need to convert miles to nautical miles
Since 1 nmi = 1.150779448 mi, divide by 1.150779448
5 ÷ 1.150779448 = 4.3448812095
5 mi = 4.3448812095 nmi
Mile to Nautical Mile Conversion Table
Quick reference table for common mile to nautical mile conversions. Click any value for detailed calculation.
| Miles (mi) | Nautical Miles (nmi) |
|---|---|
| 1 mi | 0.8689762419 nmi |
| 2 mi | 1.7379524838 nmi |
| 5 mi | 4.3448812095 nmi |
| 10 mi | 8.689762419 nmi |
| 15 mi | 13.034643629 nmi |
| 20 mi | 17.379524838 nmi |
| 25 mi | 21.724406048 nmi |
| 50 mi | 43.448812095 nmi |
| 100 mi | 86.89762419 nmi |
About These Units
Mile (mi)
A mile (mi) is an imperial unit equal to 5,280 feet, 1,760 yards, or 1.609344 kilometers. Miles measure road distances and speed limits in the United States and United Kingdom. Common conversions: 1 mile = 1.609 km, 1 km = 0.621 miles. A marathon is 26.2 miles.
Nautical Mile (nmi)
A nautical mile (nmi or NM) is exactly 1,852 meters or 1.151 statute miles. Nautical miles are the standard unit for maritime and aviation navigation, based on one minute of latitude. Ship and aircraft speeds are measured in knots (nautical miles per hour).
Frequently Asked Questions
How do I convert miles to nautical miles?
To convert miles to nautical miles, divide the value by 1.150779448. For example, 10 mi = 8.689762419 nmi.
How many nautical miles are in 1 mile?
1 mile equals 0.8689762419 nautical miles.
What is the formula for miles to nautical miles?
The formula is: nmi = mi ÷ 1.150779448.