Convert Fathom to Yard
Convert fathoms to yards instantly. 1 fathom = 2 yard — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Yard to Fathom converter for the reverse conversion.
Units explained
Fathom
A fathom is an Imperial unit of length equal to 6 feet or exactly 1.8288 meters. It is used almost exclusively for measuring water depth in maritime contexts.
The fathom derives from the Old English word fæthm, meaning "the embracing arms" — the distance between the fingertips of a person's outstretched arms. Standardized at 6 feet in English maritime tradition.
Fathoms are used in nautical depth charts, scuba diving, oceanography, and maritime literature. Despite metrication efforts, fathoms remain common in English-language nautical charts and recreational diving.
Old English origin (predating 1066); standardized at 6 feet by English maritime tradition; fixed at 1.8288 m exactly via the 1959 International Yard and Pound Agreement.
Yard
A yard is an Imperial and US customary unit of length equal to 3 feet or exactly 0.9144 meters. It is used for medium distances, particularly in athletics and fabric/textile measurement.
The yard's origin is contested but traditionally attributed to the length from the tip of King Henry I's nose to the end of his outstretched thumb. It was standardized in English law from the medieval period and definitively fixed at 0.9144 m exactly by the 1959 International Yard and Pound Agreement.
Yards are used in American football (10 yards for a first down), golf course distances, fabric and carpet sales in the US, and short-distance running events. The UK uses yards informally and on road signs for short distances.
Standardized in English law from the Middle Ages; fixed at 0.9144 m exactly by the 1959 International Yard and Pound Agreement.
Fathom to Yard conversion formula
The relationship between fathoms and yards:
To convert fathoms to yards, multiply the value in fathoms by 2. To reverse, multiply yards by 0.5.
How to use this converter
Type a value into the calculator. The result in yards updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Yard to Fathom converter for the reverse direction.
Step-by-step: convert fathoms to yards
- Write down the value in fathoms (ftm).
- Multiply that value by the factor 2.
- The product is the equivalent value in yards (yd).
- To reverse, multiply the yard value by 0.5.
Worked examples
Example 1 — Convert 1 ftm to yd:
1 × 2 = 2 yd
Example 2 — Convert 100 ftm to yd:
100 × 2 = 200 yd
Real-world example — Maritime depth conversion
A 10-fathom sounding depth converts cleanly into yards. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 ftm × 2 = 20 yd
Real-world example — Reference scenario in case of fallback
Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.
1 ftm × 2 = 2 yd
Real-world example — Adult height conversion
A 1.8-fathom-tall person measures a value in yards that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 ftm × 2 = 3.6 yd
Fathom to Yard conversion table
Standard reference values for converting fathoms to yards:
| Fathom [ftm] | Yard [yd] |
|---|---|
| 0.01 | 0.02 |
| 0.1 | 0.2 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 10 |
| 10 | 20 |
| 20 | 40 |
| 30 | 60 |
| 40 | 80 |
| 50 | 100 |
| 100 | 200 |
| 500 | 1000 |
| 1000 | 2000 |
Frequently asked questions
How many yards is 1 fathom?
How do I convert fathoms to yards?
How do I convert yards back to fathoms?
How many yards is 100 fathoms?
Popular length unit conversions
Convert Fathom to other length units
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Metric / SI (7 units)
Imperial / US Customary (26 units)
Nautical (1 units)
Sources & references
Conversion factor (1 ftm = 2 yd) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.