Feet (ft)	Fathoms (ftm)
1 ft	0.1667 ftm
2 ft	0.3333 ftm
5 ft	0.8333 ftm
10 ft	1.6667 ftm
25 ft	4.1667 ftm
50 ft	8.3333 ftm
100 ft	16.6667 ftm
250 ft	41.6667 ftm
500 ft	83.3333 ftm
1000 ft	166.6667 ftm

Convert Feet to Fathoms

Convert feet to fathoms (ft to ftm) with our instant calculator. 1 ft = 0.166667 ftm. Includes exact formula and reference tables.

How to Convert Feet to Fathoms (ft to ftm)

1 Foot (ft) is equal to 0.166667 Fathoms (ftm). Divide the foot value by 6

Quick Answer 1 ft = 0.166667 ftm

Formula ftm = ft / 6

Inverse Factor 1 ftm = 6 ft

Unit Definitions & Metrology Context

The standard SI base unit of length is the meter (m), defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

About Feet (ft): Foot (ft) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 ft equals 0.3048 Meters (m).

About Fathoms (ftm): Fathom (ftm) is a unit in the Length & Distance measurement category. It is widely used in 6 feet (nautical depth). Relative to the length & distance base unit, 1 ftm equals 1.8288 Meters (m).

Need to convert in the opposite direction? Visit our Convert Fathoms to Feet (ftm to ft) calculator (1 ftm = 6 ft).

Step-by-Step Worked Examples (ft to ftm)

Convert 5 Feet to Fathoms: Applying the formula (ftm = ft / 6): starting with 5 ft, divide the foot value by 6 to get 0.8333 ftm.
Convert 10 Feet to Fathoms: Applying the formula (ftm = ft / 6): starting with 10 ft, divide the foot value by 6 to get 1.6667 ftm.
Convert 50 Feet to Fathoms: Applying the formula (ftm = ft / 6): starting with 50 ft, divide the foot value by 6 to get 8.3333 ftm.

Popular Length & Distance Conversions

Kilometer ⇄ Mile

Multiply kilometers by ~0.621371 to get miles, or divide miles by 0.621371 to get kilometers.

Inch ⇄ Centimeter

1 inch is legally and scientifically defined as exactly 2.54 centimeters.

Foot ⇄ Meter

1 foot is defined as exactly 0.3048 meters (12 inches).

Mile ⇄ Nautical Mile

1 nautical mile is exactly 1,852 meters (~1.15078 statute miles).

Frequently Asked Questions

Verified answers and formulas for converting feet to fathoms.

How many fathoms are in 1 foot?

There are 0.166667 fathoms (ftm) in 1 foot (ft). Conversely, 1 fathom equals 6 feet.

How do you convert feet to fathoms?

To convert feet (ft) to fathoms (ftm), use the formula: ftm = ft / 6. Divide the foot value by 6. For example, 10 ft equals 1.6667 ftm.

How do I convert back from fathoms to feet?

To convert in the reverse direction from fathoms (ftm) to feet (ft), use the inverse formula: ft = ftm × 6. Multiply the fathom value by 6 (1 ftm = 6 ft).

What is the difference between foot (ft) and fathom (ftm)?

Both foot and fathom measure length & distance. Foot (ft) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 ft equals 0.3048 Meters (m). Fathom (ftm) is a unit in the Length & Distance measurement category. It is widely used in 6 feet (nautical depth). Relative to the length & distance base unit, 1 ftm equals 1.8288 Meters (m).

How many miles are in a kilometer?

There are approximately 0.621371 miles in 1 kilometer. To convert kilometers to miles quickly in your head, multiply by 6 and divide by 10 (or multiply by 0.6).