Convert Yard to Furlong
Convert yards to furlongs instantly. 1 yard = 0.0045454545 furlong — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Furlong to Yard converter for the reverse conversion.
Units explained
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.
Furlong
A furlong is an Imperial unit of length equal to 660 feet, or exactly one eighth of a mile (about 201.17 m). It is the longest unit in the traditional English farm-and-survey system.
The furlong derives from Old English furh (furrow) + lang (long) — originally the length of a furrow in a typical medieval English open field. Standardised at 660 feet (= 10 chains = 220 yards = 1/8 mile) in medieval times.
Furlongs are the standard distance unit in horse racing (e.g., 'The race is 8 furlongs'), historical English farming and surveying, and occasional poetic or rhetorical usage. Modern racing courses worldwide list distances in furlongs.
Medieval English farming origin; standardised at 660 feet; remains the official distance unit in flat-racing thoroughbred horse races worldwide.
Yard to Furlong conversion formula
The relationship between yards and furlongs:
To convert yards to furlongs, multiply the value in yards by 0.0045454545. To reverse, multiply furlongs by 220.
How to use this converter
Type a value into the calculator. The result in furlongs updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Furlong to Yard converter for the reverse direction.
Step-by-step: convert yards to furlongs
- Write down the value in yards (yd).
- Multiply that value by the factor 0.0045454545.
- The product is the equivalent value in furlongs (fur).
- To reverse, multiply the furlong value by 220.
Worked examples
Example 1 — Convert 1 yd to fur:
1 × 0.0045454545 = 0.0045454545 fur
Example 2 — Convert 100 yd to fur:
100 × 0.0045454545 = 0.4545454545 fur
Real-world example — Fabric purchase length
Two yards of fabric equals a value in furlongs essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 yd × 0.0045454545 = 0.0090909091 fur
Real-world example — Maritime depth conversion
A 10-yard sounding depth converts cleanly into furlongs. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 yd × 0.0045454545 = 0.0454545455 fur
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 yd × 0.0045454545 = 0.0045454545 fur
Yard to Furlong conversion table
Standard reference values for converting yards to furlongs:
| Yard [yd] | Furlong [fur] |
|---|---|
| 0.01 | 4.545455e-5 |
| 0.1 | 0.0004545455 |
| 1 | 0.0045454545 |
| 2 | 0.0090909091 |
| 3 | 0.0136363636 |
| 4 | 0.0181818182 |
| 5 | 0.0227272727 |
| 10 | 0.0454545455 |
| 20 | 0.0909090909 |
| 30 | 0.1363636364 |
| 40 | 0.1818181818 |
| 50 | 0.2272727273 |
| 100 | 0.4545454545 |
| 500 | 2.2727272727 |
| 1000 | 4.5454545455 |
Frequently asked questions
How many furlongs is 1 yard?
How do I convert yards to furlongs?
How do I convert furlongs back to yards?
How many furlongs is 100 yards?
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Metric / SI (18 units)
Imperial / US Customary (26 units)
Nautical (1 units)
Astronomical (9 units)
Atomic / Physics (6 units)
Typographic (3 units)
Sources & references
Conversion factor (1 yd = 0.0045454545 fur) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.