Mile to Nautical mile Converter
Type a value — the answer appears instantly. 1 mi = 0.8689762 nmi.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.8689762 nautical miles
= 1,609.34 m= 5,280 ft
equals 0.8689762 nautical milesFormula: nmi = mi × 0.86897624
Mile to Nautical mile formula
nmi = mi × 0.86897624
Convert 5 miles to nautical miles
- Start with 5 miles.
- Multiply by the conversion factor: 5 × 0.868976 = 4.344881.
- So 5 mi = 4.344881 nmi.
Mile to Nautical mile conversion table
| Miles (mi) | Nautical miles (nmi) |
|---|---|
| 0.01 mi | 0.008689762 nmi |
| 0.1 mi | 0.08689762 nmi |
| 0.25 mi | 0.2172441 nmi |
| 0.5 mi | 0.4344881 nmi |
| 1 mi | 0.8689762 nmi |
| 2 mi | 1.737952 nmi |
| 3 mi | 2.606929 nmi |
| 4 mi | 3.475905 nmi |
| 5 mi | 4.344881 nmi |
| 6 mi | 5.213857 nmi |
| 7 mi | 6.082834 nmi |
| 8 mi | 6.95181 nmi |
| 9 mi | 7.820786 nmi |
| 10 mi | 8.689762 nmi |
| 15 mi | 13.03464 nmi |
| 20 mi | 17.37952 nmi |
| 25 mi | 21.72441 nmi |
| 30 mi | 26.06929 nmi |
| 40 mi | 34.75905 nmi |
| 50 mi | 43.44881 nmi |
| 75 mi | 65.17322 nmi |
| 100 mi | 86.89762 nmi |
| 250 mi | 217.2441 nmi |
| 500 mi | 434.4881 nmi |
| 1,000 mi | 868.9762 nmi |
| 5,000 mi | 4,344.881 nmi |
| 10,000 mi | 8,689.762 nmi |
Unit definitions
What is a mile?
The international mile is exactly 1609.344 metres, or 5280 feet. It is the primary unit for road distances and speed limits in the United States and United Kingdom. A mile is about 1.609 kilometres, and a four-minute mile is a benchmark of elite running.
What is a nautical mile?
The nautical mile is exactly 1852 metres, originally one minute of latitude along a meridian. It is the standard distance unit in maritime and air navigation, and the knot (one nautical mile per hour) derives from it. It is slightly longer than a statute mile.
Frequently asked questions
How many nautical miles are in one mile?
One mile equals 0.8689762 nautical miles (1 mi = 0.8689762 nmi).
How do I convert miles to nautical miles?
Multiply the value in miles by 0.868976. For example, 10 mi × 0.868976 = 8.689762 nmi.
Which is bigger — a mile or a nautical mile?
A nautical mile is bigger: one nautical mile contains 1.150779 miles.
Is this mile to nautical mile converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.