---
title: "Miles to Fathoms — mi to ftm converter"
description: "1 mile = 880 fathoms. Convert miles to fathoms with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/miles-to-fathoms/
site: "At One Place"
---

# Miles to fathoms

**1 mile in fathoms: 1 mi = 880 ftm**

ftm = mi × 880

To convert miles to fathoms, multiply by 880. The table below gives the values people look up most often, and the converter works for any number.

## Miles to fathoms table

*Common mile values converted to fathoms.*

| Miles | Fathoms |
| --- | --- |
| 1 mi | 880 |
| 2 mi | 1,760 |
| 3 mi | 2,640 |
| 4 mi | 3,520 |
| 5 mi | 4,400 |
| 10 mi | 8,800 |
| 15 mi | 13,200 |
| 20 mi | 17,600 |
| 25 mi | 22,000 |
| 30 mi | 26,400 |
| 40 mi | 35,200 |
| 50 mi | 44,000 |
| 75 mi | 66,000 |
| 100 mi | 88,000 |
| 250 mi | 220,000 |
| 500 mi | 440,000 |
| 1,000 mi | 880,000 |

## How the conversion works

The relationship is ftm = mi × 880. Both units measure length, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

## Common questions

### How many fathoms are in one mile?

One mile equals 880 fathoms. ftm = mi × 880.

### How do you convert miles to fathoms?

Use ftm = mi × 880. So 10 mi is 8,800 ftm.

### How many miles are in one fathom?

One fathom equals 0.0011364 miles, which is the reverse of the conversion above.

## Related pages

- [Fathoms to Miles](https://atoneplace.net/convert/fathoms-to-miles/)
- [Miles to Meters](https://atoneplace.net/convert/miles-to-meters/)
- [Miles to Kilometers](https://atoneplace.net/convert/miles-to-km/)
- [Miles to Centimeters](https://atoneplace.net/convert/miles-to-cm/)
- [Miles to Millimeters](https://atoneplace.net/convert/miles-to-mm/)
- [Miles to Yards](https://atoneplace.net/convert/miles-to-yards/)
- [Miles to Feet](https://atoneplace.net/convert/miles-to-feet/)
- [Miles to Inches](https://atoneplace.net/convert/miles-to-inches/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)