Convert Nail to Rod
Convert nails to rods instantly. 1 nail = 0.0113636364 rod — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Rod to Nail converter for the reverse conversion.
Units explained
Nail
A nail is an Imperial unit of length equal to 2.25 inches (about 57.15 mm). It was historically used in the English cloth trade.
The nail derives from an English cloth-measure tradition dating to medieval times. Standardised at 2.25 inches (or 1/16 of a yard) through English customary practice and ratified by the 1959 International Yard and Pound Agreement.
Nails were historically used to measure cloth, particularly small pieces and ribbons. Rare in modern commerce but appears in historical textile literature and reproduction crafts.
Medieval English cloth-trade origin; standardised at 1/16 yard; fixed exactly at 0.05715 m via 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.
Nail to Rod conversion formula
The relationship between nails and rods:
To convert nails to rods, multiply the value in nails by 0.0113636364. To reverse, multiply rods by 88.
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 Nail converter for the reverse direction.
Step-by-step: convert nails to rods
- Write down the value in nails (nail).
- Multiply that value by the factor 0.0113636364.
- The product is the equivalent value in rods (rd).
- To reverse, multiply the rod value by 88.
Worked examples
Example 1 — Convert 1 nail to rd:
1 × 0.0113636364 = 0.0113636364 rd
Example 2 — Convert 100 nail to rd:
100 × 0.0113636364 = 1.1363636364 rd
Real-world example — Children's height milestones
A 150-nail-tall child measures a value in rods that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.
150 nail × 0.0113636364 = 1.7045454545 rd
Real-world example — Body height conversion
You enter your height as 180 nails into an international job or visa application. The form then asks for the same value in rods — converting between these adjacent units is one of the most-used length conversions globally.
180 nail × 0.0113636364 = 2.0454545455 rd
Real-world example — Furniture and large objects
A 72-nail piece of furniture converts to a value in rods that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.
72 nail × 0.0113636364 = 0.8181818182 rd
Nail to Rod conversion table
Standard reference values for converting nails to rods:
| Nail [nail] | Rod [rd] |
|---|---|
| 0.01 | 0.0001136364 |
| 0.1 | 0.0011363636 |
| 1 | 0.0113636364 |
| 2 | 0.0227272727 |
| 3 | 0.0340909091 |
| 4 | 0.0454545455 |
| 5 | 0.0568181818 |
| 10 | 0.1136363636 |
| 20 | 0.2272727273 |
| 30 | 0.3409090909 |
| 40 | 0.4545454545 |
| 50 | 0.5681818182 |
| 100 | 1.1363636364 |
| 500 | 5.6818181818 |
| 1000 | 11.3636363636 |
Frequently asked questions
How many rods is 1 nail?
How do I convert nails to rods?
How do I convert rods back to nails?
How many rods is 100 nails?
Popular length unit conversions
Convert Nail to other length units
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Metric / SI (4 units)
Imperial / US Customary (26 units)
Sources & references
Conversion factor (1 nail = 0.0113636364 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.