Miles to fathoms
fathoms = miles × 880
Reverse: fathoms to miles
How to convert miles to fathoms
One mile is 880 fathoms, so multiply the number of miles by 880. For example, 20 miles is 20 × 880 = 17,600 fathoms. To go back, divide by the same number, or multiply by 0.00113636.
Quick estimate
Multiplying by about 900 gets within 2.3% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
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.
| miles | fathoms |
|---|---|
| 1 mi | 880 fm |
| 2 mi | 1,760 fm |
| 3 mi | 2,640 fm |
| 4 mi | 3,520 fm |
| 5 mi | 4,400 fm |
| 6 mi | 5,280 fm |
| 7 mi | 6,160 fm |
| 8 mi | 7,040 fm |
| 9 mi | 7,920 fm |
| 10 mi | 8,800 fm |
| 11 mi | 9,680 fm |
| 12 mi | 10,560 fm |
| 13 mi | 11,440 fm |
| 14 mi | 12,320 fm |
| 15 mi | 13,200 fm |
| 16 mi | 14,080 fm |
| 17 mi | 14,960 fm |
| 18 mi | 15,840 fm |
| 19 mi | 16,720 fm |
| 20 mi | 17,600 fm |
| 25 mi | 22,000 fm |
| 30 mi | 26,400 fm |
| 40 mi | 35,200 fm |
| 50 mi | 44,000 fm |
| 60 mi | 52,800 fm |
| 70 mi | 61,600 fm |
| 75 mi | 66,000 fm |
| 80 mi | 70,400 fm |
| 90 mi | 79,200 fm |
| 100 mi | 88,000 fm |
| 120 mi | 105,600 fm |
| 150 mi | 132,000 fm |
| 200 mi | 176,000 fm |
| 250 mi | 220,000 fm |
| 300 mi | 264,000 fm |
| 400 mi | 352,000 fm |
| 500 mi | 440,000 fm |
| 750 mi | 660,000 fm |
| 1,000 mi | 880,000 fm |
| 1,500 mi | 1,320,000 fm |
| 2,000 mi | 1,760,000 fm |
| 5,000 mi | 4,400,000 fm |
| 10,000 mi | 8,800,000 fm |
Questions
How many fathoms are in a mile?
880 fathoms.
How do I convert miles to fathoms in a spreadsheet?
Put the value in A1 and type =A1*880, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.