Convert Nail to Cubit
Convert nails to cubits instantly. 1 nail = 0.125 cubit — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Cubit 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.
Cubit
The UK cubit is an Imperial unit of length equal to 18 inches (457.2 mm). It represents the historical distance from the elbow to the tip of the middle finger.
Cubits derive from ancient body-measure traditions found in Mesopotamia, Egypt, and the eastern Mediterranean. The English customary cubit was standardised at 18 inches in medieval times.
UK cubits are rare in modern commerce but appear in historical English texts, biblical references, and historical reconstructions. Different cultures used cubits of different lengths.
Ancient origin; standardised at 18 inches in English customary practice; became exact via the 1959 International Yard and Pound Agreement.
Nail to Cubit conversion formula
The relationship between nails and cubits:
To convert nails to cubits, multiply the value in nails by 0.125. To reverse, multiply cubits by 8.
How to use this converter
Type a value into the calculator. The result in cubits updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Cubit to Nail converter for the reverse direction.
Step-by-step: convert nails to cubits
- Write down the value in nails (nail).
- Multiply that value by the factor 0.125.
- The product is the equivalent value in cubits (cubit).
- To reverse, multiply the cubit value by 8.
Worked examples
Example 1 — Convert 1 nail to cubit:
1 × 0.125 = 0.125 cubit
Example 2 — Convert 100 nail to cubit:
100 × 0.125 = 12.5 cubit
Real-world example — Furniture and large objects
A 72-nail piece of furniture converts to a value in cubits 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 × 0.125 = 9 cubit
Real-world example — Children's height milestones
A 150-nail-tall child measures a value in cubits that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.
150 nail × 0.125 = 18.75 cubit
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 cubits — converting between these adjacent units is one of the most-used length conversions globally.
180 nail × 0.125 = 22.5 cubit
Nail to Cubit conversion table
Standard reference values for converting nails to cubits:
| Nail [nail] | Cubit [cubit] |
|---|---|
| 0.01 | 0.00125 |
| 0.1 | 0.0125 |
| 1 | 0.125 |
| 2 | 0.25 |
| 3 | 0.375 |
| 4 | 0.5 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 30 | 3.75 |
| 40 | 5 |
| 50 | 6.25 |
| 100 | 12.5 |
| 500 | 62.5 |
| 1000 | 125 |
Frequently asked questions
How many cubits is 1 nail?
How do I convert nails to cubits?
How do I convert cubits back to nails?
How many cubits is 100 nails?
Popular length unit conversions
Convert Nail to other length units
Show all Nail conversions
Metric / SI (4 units)
Imperial / US Customary (26 units)
Sources & references
Conversion factor (1 nail = 0.125 cubit) 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.