Convert 10 fm to nmi

How to convert fathoms to nautical miles

1. Formula: nautical miles = fathoms × 0.00098747
2. Put in the value: 10 fathoms.
3. Result: 0.00987473 nautical miles.

Fathoms to nautical miles table

Converting the other way: nautical miles to fathoms

fathoms = nautical miles × 1,012.69. So 0.00987473 nautical miles is back to 10 fathoms; one nautical mile is 1,012.69 fathoms. See the nautical miles to fathoms table.

Quick estimate in your head

For a rough answer, multiply by about 0.001: 10 × 0.001 ≈ 0.01 nmi, against the exact 0.00987473 nmi (1.3% 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 fathom is smaller than a nautical mile, so the number of nautical miles must come out smaller than the number of fathoms. If your answer goes the other way, divide instead of multiplying.

About the units

Fathom (fm) and nautical mile (nmi) are both units of length. One fathom equals 0.00098747 nautical miles, and one nautical mile equals 1,012.69 fathoms. 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 fathoms in other units

The most readable unit for this amount is fathoms (10).

• 18,288 mm
• 1,828.8 cm
• 18.288 m
• 0.018288 km
• 720 in
• 60 ft
• 20 yd
• 0.01136364 mi
• 0.00987473 nmi
• 18,288,000 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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