Convert foot (US survey) to fathom
Please provide values below to convert foot (US survey) [ft (US)] to fathom [fath], or Convert fathom to foot (US survey).
1 ft (US) = 0.166667 fath. To convert foot (US survey) to fathom, multiply the value by 0.166667; to go the other way, divide by it (1 fath = 5.99998800002 ft (US)). Both units measure length and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 ft (US) = 0.166667 fath
- 1 fath = 5.99998800002 ft (US)
- 10 ft (US) = 1.66667 fath
- 100 ft (US) = 16.6667 fath
How to Convert Foot (Us Survey) to Fathom
1 ft (US) = 0.166667 fath
Example: convert 15 ft (US) to fath:
15 ft (US) = 15 × 0.166667 fath = 2.500005 fath
Foot (Us Survey) to Fathom Conversion Table
| foot (US survey) | fathom |
|---|---|
| 1 ft (US) | 0.166667 fath |
| 2 ft (US) | 0.333334 fath |
| 3 ft (US) | 0.500001 fath |
| 5 ft (US) | 0.833335 fath |
| 10 ft (US) | 1.66667 fath |
| 20 ft (US) | 3.33334 fath |
| 50 ft (US) | 8.33335 fath |
| 100 ft (US) | 16.6667 fath |
| 500 ft (US) | 83.3335 fath |
| 1000 ft (US) | 166.667 fath |
Foot (Us Survey)
The U.S. survey foot was a unit of length defined as exactly 1200/3937 meters.
History/Origin
The U.S. survey foot was used for land surveying in the United States for most of the 20th century. Its use was officially phased out in 2022 to standardize with the international foot.
Current Use
The U.S. survey foot is now an obsolete unit.
Fathom
A fathom is a unit of length equal to 6 feet, used especially for measuring the depth of water.
History/Origin
The term "fathom" comes from the Old English word "fæthm," meaning "outstretched arms," as the distance was originally the span of a man's outstretched arms.
Current Use
The fathom is still used in nautical applications, especially in the United States, to measure water depth. It is also used in commercial fishing to measure the length of lines.
Frequently Asked Questions
What is 1 foot (US survey) in fathom?
1 foot (US survey) (ft (US)) = 0.166667 fathom (fath).
How do you convert foot (US survey) to fathom?
Multiply the foot (US survey) value by 0.166667. For example, 25 ft (US) × 0.166667 = 4.166675 fath.
What is 10 foot (US survey) in fathom?
10 ft (US) = 1.66667 fath.
Which unit is larger, the foot (US survey) or the fathom?
The fathom is the larger unit: 1 ft (US) equals only 0.166667 fath.