Convert 10 mi to nmi

How to convert miles to nautical miles

1. Formula: nautical miles = miles × 0.86897624
2. Put in the value: 10 miles.
3. Result: 8.689762 nautical miles.

Miles to nautical miles table

Converting the other way: nautical miles to miles

miles = nautical miles × 1.150779. So 8.689762 nautical miles is back to 10 miles; one nautical mile is 1.150779 miles. See the nautical miles to miles table.

Quick estimate in your head

For a rough answer, multiply by about 0.9: 10 × 0.9 ≈ 9 nmi, against the exact 8.689762 nmi (3.6% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A mile is smaller than a nautical mile, so the number of nautical miles must come out smaller than the number of miles. If your answer goes the other way, divide instead of multiplying.

About the units

Mile (mi) and nautical mile (nmi) are both units of length. One mile equals 0.86897624 nautical miles, and one nautical mile equals 1.150779 miles. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

10 miles in other units

The most readable unit for this amount is nautical miles (8.689762).

• 16,093,440 mm
• 1,609,344 cm
• 16,093.44 m
• 16.09344 km
• 633,600 in
• 52,800 ft
• 17,600 yd
• 8.689762 nmi
• 8,800 fm
• 16,093,440,000 um

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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