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Miles to Nautical Miles Converter

1 mile = 0.8689762419 nmi. Enter any value to convert miles (mi) to nautical miles (nmi), or use the table below for common values.

Results

1 mi =0.8689762419 nmimiles → nautical miles
1 mi0.8689762419 nmi
1 nmi1.150779448 mi
Formula
nmi = mi × 0.8689762419
1 mi in other units
UnitValue
millimeters (mm)1,609,344
centimeters (cm)160,934.4
meters (m)1,609.344
kilometers (km)1.609344
inches (in)63,360
feet (ft)5,280
yards (yd)1,760
nautical miles (nmi)0.8689762419

Formula

nmi = mi × 0.8689762419

Example: 10 mi = 8.689762419 nmi. To convert the other way, use mi = nmi × 1.150779448.

Quick mental estimate: multiply by about 0.87.

Miles to Nautical Miles conversion table

Miles (mi)Nautical Miles (nmi)
1 mi0.8689762419 nmi
2 mi1.737952484 nmi
3 mi2.606928726 nmi
4 mi3.475904968 nmi
5 mi4.34488121 nmi
6 mi5.213857451 nmi
7 mi6.082833693 nmi
8 mi6.951809935 nmi
9 mi7.820786177 nmi
10 mi8.689762419 nmi
15 mi13.03464363 nmi
20 mi17.37952484 nmi
25 mi21.72440605 nmi
30 mi26.06928726 nmi
40 mi34.75904968 nmi
50 mi43.4488121 nmi
75 mi65.17321814 nmi
100 mi86.89762419 nmi
250 mi217.2440605 nmi
500 mi434.488121 nmi
1,000 mi868.9762419 nmi

About miles and nautical miles

The international mile is 5,280 feet, or exactly 1,609.344 meters. Road distances and speeds in the US and UK are measured in miles.

The nautical mile is exactly 1,852 meters, originally one minute of latitude. It is used in aviation and at sea, together with the knot.

Other Length conversions

Nautical Miles → MilesReverse conversionMillimeters → Nautical Milesmm → nmiCentimeters → Nautical Milescm → nmiMeters → Nautical Milesm → nmiKilometers → Nautical Mileskm → nmiInches → Nautical Milesin → nmiFeet → Nautical Milesft → nmiYards → Nautical Milesyd → nmiMiles → Millimetersmi → mmMiles → Centimetersmi → cmMiles → Metersmi → mMiles → Kilometersmi → kmMiles → Inchesmi → inMiles → Feetmi → ftMiles → Yardsmi → yd

Frequently asked questions

How do I convert miles to nautical miles?

Use the formula nmi = mi × 0.8689762419. For example, 10 mi = 8.689762419 nmi.

What is 1 mile in nautical miles?

1 mi = 0.8689762419 nmi.

How do I convert nautical miles back to miles?

Use mi = nmi × 1.150779448. 1 nmi = 1.150779448 mi.