How many furlongs is 1 fathom?

One fathom equals exactly 1/110 of a furlong (about 0.009091 furlongs). There are exactly 110 fathoms in one furlong.

How many fathoms are in 1 furlong?

One furlong contains exactly 110 fathoms. Since 1 furlong = 660 feet and 1 fathom = 6 feet, divide 660 by 6.

Are fathoms and furlongs related?

Only through the foot. The fathom (6 feet) and furlong (660 feet) are both defined in feet but serve entirely different purposes: depth at sea and distance on land.

Fathoms to Furlongs (ftm to fur) Converter

1 ftm = 0.0091 fur

1 Fathom equals 0.0091 Furlongs (1 ftm = 0.0091 fur). Convert Fathoms to Furlongs with formula, table, and examples.

One fathom equals exactly 1/110 of a furlong, or approximately 0.009091 furlongs. Since 1 furlong = 10 chains = 110 fathoms, the ratio is clean. The fathom measures sea depth while the furlong measures horse racing distances and agricultural land. Both are quintessentially English units now largely obsolete.

How to Convert Fathoms to Furlongs

fur = ftm ÷ 110

Divide the value in Fathoms by 110

Take your value in Fathoms
Divide by 110
Read the result in Furlongs

Common Fathoms to Furlongs Conversions

Fathoms (ftm)	Furlongs (fur)	Status
1 ftm	0.0091 fur
5 ftm	0.0455 fur
10 ftm	0.0909 fur
50 ftm	0.4545 fur
100 ftm	0.9091 fur
110 ftm	1 fur
500 ftm	4.5455 fur
1,000 ftm	9.0909 fur
5,000 ftm	45.4545 fur
10,000 ftm	90.9091 fur

Good to Know About Fathoms to Furlongs Conversion

The fathom and furlong are both dying units. Fathoms are being replaced by meters on nautical charts. Furlongs survive only in horse racing. Their 110:1 ratio is a relic of the English foot-based system that once unified land and sea measurement.

Fathoms to Furlongs: What You Need to Know

A furlong contains exactly 110 fathoms. The Kentucky Derby (10 furlongs) is 1,100 fathoms. The Challenger Deep (about 6,011 fathoms) would be about 54.6 furlongs of vertical depth. Both units arose from the English measurement tradition but serve completely different environments.

What is a Fathom? ftm

Exactly 6 feet (1.8288 m). Traditionally used to measure water depth in nautical contexts. Originally based on the span of outstretched arms.

Imperial water depth nautical marine charts

Learn more about Fathom →

What is a Furlong? fur

Exactly 660 feet or one-eighth of a mile (201.168 m). Originally the length of a plowed furrow. Still used in horse racing.

Imperial horse racing historical

Learn more about Furlong →

Going the other way? Use our Furlongs to Fathoms converter.

Fathoms to Furlongs FAQ

One fathom equals exactly 1/110 of a furlong (about 0.009091 furlongs). There are exactly 110 fathoms in one furlong.
One furlong contains exactly 110 fathoms. Since 1 furlong = 660 feet and 1 fathom = 6 feet, divide 660 by 6.
Only through the foot. The fathom (6 feet) and furlong (660 feet) are both defined in feet but serve entirely different purposes: depth at sea and distance on land.

Non-Frequently Asked Questions About Fathoms to Furlongs

Questions nobody should ask - but someone did.

A furlong is about 110 fathoms. The deepest horse-safe wading is maybe 4 fathoms (24 feet). So a horse could race about 3.6% of a furlong underwater before swimming, and 0% of a furlong at racing speed. Submarine horse racing remains impractical.
A furlong (201.17 m) is about 110 fathoms (1 fathom = 1.8288 m). One is horizontal (race distance), the other is vertical (ocean depth). Same length, perpendicular applications. Measurement geometry at its finest.
A furlong is about 110 fathoms or 201 meters. The average ocean depth is about 2,000 fathoms. So a furlong-deep ocean would be about 18 times shallower than real. It would be roughly the depth of the continental shelf. Fishable, but not impressive.