Feet to Fathoms (ft → ftm)
Formula
1 ft = 0.16666666666666669 ftmConversion Table
| ft | ftm |
|---|---|
| 0 | 0 |
| 1.0000 | 0.16667 |
| 2.0000 | 0.33333 |
| 3.0000 | 0.50000 |
| 4.0000 | 0.66667 |
| 5.0000 | 0.83333 |
| 6.0000 | 1.0000 |
| 7.0000 | 1.1667 |
| 8.0000 | 1.3333 |
| 9.0000 | 1.5000 |
| 10.000 | 1.6667 |
| 11.000 | 1.8333 |
| 12.000 | 2.0000 |
| 13.000 | 2.1667 |
| 14.000 | 2.3333 |
| 15.000 | 2.5000 |
| 16.000 | 2.6667 |
| 17.000 | 2.8333 |
| 18.000 | 3.0000 |
| 19.000 | 3.1667 |
| ft | ftm |
|---|---|
| 20.000 | 3.3333 |
| 21.000 | 3.5000 |
| 22.000 | 3.6667 |
| 23.000 | 3.8333 |
| 24.000 | 4.0000 |
| 25.000 | 4.1667 |
| 26.000 | 4.3333 |
| 27.000 | 4.5000 |
| 28.000 | 4.6667 |
| 29.000 | 4.8333 |
| 30.000 | 5.0000 |
| 31.000 | 5.1667 |
| 32.000 | 5.3333 |
| 33.000 | 5.5000 |
| 34.000 | 5.6667 |
| 35.000 | 5.8333 |
| 36.000 | 6.0000 |
| 37.000 | 6.1667 |
| 38.000 | 6.3333 |
| 39.000 | 6.5000 |
| ft | ftm |
|---|---|
| 40.000 | 6.6667 |
| 41.000 | 6.8333 |
| 42.000 | 7.0000 |
| 43.000 | 7.1667 |
| 44.000 | 7.3333 |
| 45.000 | 7.5000 |
| 46.000 | 7.6667 |
| 47.000 | 7.8333 |
| 48.000 | 8.0000 |
| 49.000 | 8.1667 |
| 50.000 | 8.3333 |
| 51.000 | 8.5000 |
| 52.000 | 8.6667 |
| 53.000 | 8.8333 |
| 54.000 | 9.0000 |
| 55.000 | 9.1667 |
| 56.000 | 9.3333 |
| 57.000 | 9.5000 |
| 58.000 | 9.6667 |
| 59.000 | 9.8333 |
| ft | ftm |
|---|---|
| 60.000 | 10.000 |
| 61.000 | 10.167 |
| 62.000 | 10.333 |
| 63.000 | 10.500 |
| 64.000 | 10.667 |
| 65.000 | 10.833 |
| 66.000 | 11.000 |
| 67.000 | 11.167 |
| 68.000 | 11.333 |
| 69.000 | 11.500 |
| 70.000 | 11.667 |
| 71.000 | 11.833 |
| 72.000 | 12.000 |
| 73.000 | 12.167 |
| 74.000 | 12.333 |
| 75.000 | 12.500 |
| 76.000 | 12.667 |
| 77.000 | 12.833 |
| 78.000 | 13.000 |
| 79.000 | 13.167 |
Feet to Fathoms Conversion
Converting Feet (ft) to Fathoms (ftm) is a common length conversion. 1 ft equals 0.166667 ftm. For example, 100 ft is equal to 16.666667 ftm.
Quick Mental Math: Feet to Fathoms
Reference a linear anchor between feet and fathoms; use one memorable value.
Why is converting Feet to Fathoms tricky?
Magnitude or direction confusion between feet and fathoms is the primary error source.
Quick Reference Values
1 ft = 0.166667 ftm. 5 ft = 0.833333 ftm. 10 ft = 1.666667 ftm. 25 ft = 4.166667 ftm. 50 ft = 8.333333 ftm. 100 ft = 16.666667 ftm.
What is Feet?
Feet (ft) is a unit of length. A foot is a unit of length defined as exactly 0.3048 meters. It consists of 12 inches and is commonly used in the United States, Liberia, and Myanmar for height, distance, and construction measurements. The foot remains part of the imperial and U.S. customary systems standardized internationally [nist-si-guide]. The foot originated from various historical measurements based on the length of a human foot. It was standardized by the international yard and pound agreement in 1959, fixing the foot at exactly 0.3048 meters [nist-si-guide]. Feet are widely used in the U.S. for building construction, aviation altitudes, and everyday height measurements. Despite global metrication, feet remain common in real estate, sports, and engineering within certain countries [nist-si-guide].
What is Fathoms?
Fathoms (ftm) is a unit of length. A fathom is a unit of length equal to exactly 6 feet or 1.8288 meters, used primarily for measuring water depth. It remains important in maritime navigation and hydrographic surveys, providing a practical scale for depths rather than metric units [nist-si-guide]. The fathom dates back to medieval England, originally based on the distance between a man's outstretched arms. It became standardized internationally in the 19th century with the adoption of the Imperial system and later defined precisely in metric terms [nist-si-guide]. Fathoms are still used in nautical contexts, especially by the U.S. Navy and some Commonwealth navies. They are common in charting ocean depths, nautical maps, and fishing industries in countries retaining imperial measurements [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: foot, feets, fet, feet's, feets, fathom, fathoms, fethoms, fatoms, fatham. All of these refer to the Feet to Fathoms conversion.