Convert length and distance units — meters, feet, inches, kilometers, miles, light years and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 yd | 0.0005 ftm | |
| 0.01 yd | 0.005 ftm | |
| 0.1 yd | 0.05 ftm | |
| 1 yd | 0.5 ftm | |
| 5 yd | 2.5 ftm | |
| 10 yd | 5 ftm | |
| 50 yd | 25 ftm | |
| 100 yd | 50 ftm | |
| 1000 yd | 500 ftm |
Multiply the number of Yards by 0.5 to get Fathoms. Formula: ftm = yd × 0.5. Example: 10 yd × 0.5 = 5 ftm. To reverse, divide Fathoms by 0.5 to get Yards.
| Yard (yd) | Fathom (ftm) |
|---|---|
| 0.001 yd | 0.0005 ftm |
| 0.01 yd | 0.005 ftm |
| 0.1 yd | 0.05 ftm |
| 0.5 yd | 0.25 ftm |
| 1 yd | 0.5 ftm |
| 2 yd | 1 ftm |
| 5 yd | 2.5 ftm |
| 10 yd | 5 ftm |
| 20 yd | 10 ftm |
| 50 yd | 25 ftm |
| 100 yd | 50 ftm |
| 250 yd | 125 ftm |
| 500 yd | 250 ftm |
| 1000 yd | 500 ftm |
| 10000 yd | 5000 ftm |
To convert Yard to Fathom, multiply by 0.5. Example: 10 yd = 5 ftm
To convert Fathom back to Yard, divide by 0.5 (multiply by 2). Use the swap button above.
Start with 100 Yards = 50 ftm as your reference point. Scale up or down from there.
1 fathom = 2 yards exactly. This clean 2:1 ratio has been known to sailors for centuries — mariners estimating anchor rode from chart depth in fathoms instantly calculate the needed yards of rope. It is one of the simplest conversions in maritime measurement.
Anchor chain is measured in fathoms by tradition while rope and line dimensions use yards. Marine chandleries convert between fathoms and yards for every complete anchoring system specification and sales transaction.
US sailors who think in yards for rigging and sail measurements navigate with depths in fathoms from nautical charts. Converting between fathoms (depth) and yards (rope/rigging) is a daily operational skill for every US cruising sailor.
Ships' draught is recorded in fathoms in historic Lloyd's and naval records while hull and rigging dimensions use yards. Maritime historians convert between fathoms and yards when cross-referencing vessel specifications across different record systems.
Recreational divers using fathom-based depth references need to measure and cut tether lines, guide lines, and safety sausages in yards — the 2:1 ratio makes yd-to-fathom one of the simplest mental calculations in recreational diving.
Water sport line lengths use yards while water depth safety minimums reference fathoms on charts. Kite surfers and sailors convert between yards and fathoms when planning sessions at tidal locations with chart-referenced depths.
The Yard is a unit of Length measurement (symbol: yd). 1 yd = 0.5 ftm. Used in scientific and practical Length measurement applications.
The Fathom is a unit of Length measurement (symbol: ftm). It is part of an internationally recognised measurement system used alongside the Yard.
The yard has a disputed but fascinating origin. One theory holds it was defined as the distance from King Henry I's nose to the tip of his outstretched thumb — a royal standard of convenience used when no measuring instrument was at hand. It was formally codified at 3 feet in 1558 under Queen Elizabeth I. The Imperial Standard Yard — a bronze bar with two gold plugs defining the precise distance — was created in 1845 to replace the original, which was destroyed in the catastrophic fire that burned down the old Houses of Parliament in 1834. The yard was fixed at exactly 0.9144 metres under the International Yard and Pound Agreement of 1959, signed by the US, UK, Canada, Australia, New Zealand, and South Africa. Today the yard remains the primary distance unit in American football, golf, swimming, and cricket.
The fathom derives from the Old English 'fæthm', meaning the span of outstretched arms — roughly 6 feet or 1.8 metres. It was the primary depth measurement unit used by mariners for millennia. The word 'fathom' also entered English as a verb meaning to understand something deeply. Despite metrication, fathoms remain on admiralty charts worldwide.
Common use: Yard to Fathom conversion is needed when working with international standards, scientific publications, or reference materials that use different unit systems for Length measurement.