Convert Yard to Ell
Convert yards to ells instantly. 1 yard = 0.8 ell — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Ell 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.
Ell
An ell is an Imperial unit of length equal to 45 inches (1.143 m), historically used as the standard measure of cloth in English commerce.
The ell derives from old English elna (forearm) and was standardised in medieval English trade as the cloth-measuring yard equivalent. The English ell is 45 inches; other regional ells differed.
Ells appear in historical English commerce records (especially cloth and tapestry trade). Used in legal documents through the 19th century; rare in modern commerce but referenced in literary and historical contexts.
Medieval English cloth-trade origin; standardised at 45 inches; became exact via the 1959 International Yard and Pound Agreement.
Yard to Ell conversion formula
The relationship between yards and ells:
To convert yards to ells, multiply the value in yards by 0.8. To reverse, multiply ells by 1.25.
How to use this converter
Type a value into the calculator. The result in ells updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Ell to Yard converter for the reverse direction.
Step-by-step: convert yards to ells
- Write down the value in yards (yd).
- Multiply that value by the factor 0.8.
- The product is the equivalent value in ells (ell).
- To reverse, multiply the ell value by 1.25.
Worked examples
Example 1 — Convert 1 yd to ell:
1 × 0.8 = 0.8 ell
Example 2 — Convert 100 yd to ell:
100 × 0.8 = 80 ell
Real-world example — Adult height conversion
A 1.8-yard-tall person measures a value in ells 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 yd × 0.8 = 1.44 ell
Real-world example — Fabric purchase length
Two yards of fabric equals a value in ells essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 yd × 0.8 = 1.6 ell
Real-world example — Maritime depth conversion
A 10-yard sounding depth converts cleanly into ells. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 yd × 0.8 = 8 ell
Yard to Ell conversion table
Standard reference values for converting yards to ells:
| Yard [yd] | Ell [ell] |
|---|---|
| 0.01 | 0.008 |
| 0.1 | 0.08 |
| 1 | 0.8 |
| 2 | 1.6 |
| 3 | 2.4 |
| 4 | 3.2 |
| 5 | 4 |
| 10 | 8 |
| 20 | 16 |
| 30 | 24 |
| 40 | 32 |
| 50 | 40 |
| 100 | 80 |
| 500 | 400 |
| 1000 | 800 |
Frequently asked questions
How many ells is 1 yard?
How do I convert yards to ells?
How do I convert ells back to yards?
How many ells is 100 yards?
Popular length unit conversions
Convert Yard to other length units
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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 = 0.8 ell) 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.