Length conversion

Convert Mile to Nautical mile

1 mile (mi) equals 0.868976241901 nautical mile (nmi). Enter any value below to convert from mi to nmi.

Enter a value and choose units. Results update instantly.

1 mi = 0.8689762419 nmi

All Length units

From 1 mi
UnitValue
Meter m 1,609.344
Kilometer km 1.609344
Centimeter cm 160,934.4
Millimeter mm 1,609,344
Micrometer μm 1,609,344,000.0000002384
Nanometer nm 1.609344e12
Inch in 63,360
Foot ft 5,280
Yard yd 1,760
Mile mi 1
Nautical mile nmi 0.8689762419
Light-year ly 1.7010779502e-13
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Formula

mi to nmi conversion formula

Use this relationship for a direct conversion:

nmi = mi x 0.868976241901

Worked example

2 mi = 1.7379524838 nmi.

Metric factors and international inch, foot, yard, mile, and nautical mile definitions are exact.

Quick reference

Mile to Nautical mile table

Mile (mi)Nautical mile (nmi)
0.010.0086897624
0.10.0868976242
10.8689762419
21.7379524838
54.3448812095
108.689762419
2521.7244060475
5043.448812095
10086.8976241901
1,000868.9762419006

From unit

About the mile

Exactly 5,280 international feet.

Symbol: mi

To unit

About the nautical mile

Exactly 1,852 meters.

Symbol: nmi

Keep converting

Related conversions

Nautical mile to MileReverse this conversion Mile to Metermi to mMile to Kilometermi to kmMile to Centimetermi to cmMile to Millimetermi to mmMile to Inchmi to inMile to Footmi to ft

Source

Conversion standard

Definitions are checked against NIST SP 811: Guide for the Use of the SI. Calculations use full internal precision before display rounding.

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Questions

mi to nmi FAQ

How do you convert mile to nautical mile?

Use the formula nmi = mi x 0.868976241901. 1 mile (mi) equals 0.868976241901 nautical mile (nmi).

Is the mi to nmi conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.