Convert Yard to Rod
Convert yards to rods instantly. 1 yard = 0.1818181818 rod — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Rod 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.
Rod
A rod is an Imperial unit of length equal to 16.5 feet (about 5.03 m). It is also called a perch or pole. Used historically in English and American land surveying.
The rod derives from medieval English land-surveying practice. Standardised at 16.5 feet (= 25 links of a surveyor's chain = 1/4 chain) by Edmund Gunter in 1620.
Rods are the standard unit in legacy US public-land-survey records, where lot dimensions are typically expressed in rods and chains. Modern surveyors generally use feet or meters but legacy deeds remain in rods.
Defined by Edmund Gunter in 1620 as 16.5 feet via the chain-based survey system; became exact via the 1959 International Yard and Pound Agreement.
Yard to Rod conversion formula
The relationship between yards and rods:
To convert yards to rods, multiply the value in yards by 0.1818181818. To reverse, multiply rods by 5.5.
How to use this converter
Type a value into the calculator. The result in rods updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Rod to Yard converter for the reverse direction.
Step-by-step: convert yards to rods
- Write down the value in yards (yd).
- Multiply that value by the factor 0.1818181818.
- The product is the equivalent value in rods (rd).
- To reverse, multiply the rod value by 5.5.
Worked examples
Example 1 — Convert 1 yd to rd:
1 × 0.1818181818 = 0.1818181818 rd
Example 2 — Convert 100 yd to rd:
100 × 0.1818181818 = 18.1818181818 rd
Real-world example — Maritime depth conversion
A 10-yard sounding depth converts cleanly into rods. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 yd × 0.1818181818 = 1.8181818182 rd
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 × 0.1818181818 = 0.1818181818 rd
Real-world example — Adult height conversion
A 1.8-yard-tall person measures a value in rods 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 × 0.1818181818 = 0.3272727273 rd
Yard to Rod conversion table
Standard reference values for converting yards to rods:
| Yard [yd] | Rod [rd] |
|---|---|
| 0.01 | 0.0018181818 |
| 0.1 | 0.0181818182 |
| 1 | 0.1818181818 |
| 2 | 0.3636363636 |
| 3 | 0.5454545455 |
| 4 | 0.7272727273 |
| 5 | 0.9090909091 |
| 10 | 1.8181818182 |
| 20 | 3.6363636364 |
| 30 | 5.4545454545 |
| 40 | 7.2727272727 |
| 50 | 9.0909090909 |
| 100 | 18.1818181818 |
| 500 | 90.9090909091 |
| 1000 | 181.8181818182 |
Frequently asked questions
How many rods is 1 yard?
How do I convert yards to rods?
How do I convert rods back to yards?
How many rods is 100 yards?
Popular length unit conversions
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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 = 0.1818181818 rd) 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.