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Mile to Nautical mile

Convert mile (mi) to nautical mile (nmi) — with the exact factor, a quick-reference table and a free converter that works offline.

1 mi = 0.8689762 nmi

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Conversion table

Mile (mi)Nautical mile (nmi)
1 mi0.8689762 nmi
2 mi1.737952 nmi
5 mi4.344881 nmi
10 mi8.689762 nmi
20 mi17.37952 nmi
50 mi43.44881 nmi
100 mi86.89762 nmi
500 mi434.4881 nmi

How the conversion works

Both units measure length. One mile equals exactly 0.8689762 nmi, so multiply by that factor to convert. International nautical mile.

FAQ

How many nautical miles in a mile?

1 mi = 0.8689762 nmi.

How do I convert mile to nautical mile?

Multiply the mile value by 0.8689762. For example, 10 mi × 0.8689762 = 8.689762 nmi.

Where does the factor come from?

The conversion factor is defined in NIST SP 811; both units are length units converted through meter.

Related conversions

Nautical mile to Mile Centimeter to Inch Inch to Centimeter Foot to Inch

Conversion factors: NIST SP 811. Computed by the same engine that powers the app.

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