Convert Centimeter to Nail
Convert centimeters to nails instantly. 1 centimeter = 0.1749781277 nail — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Nail to Centimeter converter for the reverse conversion.
Units explained
Centimeter
A centimeter is a metric unit of length equal to one hundredth of a meter (1/100 m). It is one of the most commonly used SI sub-units in daily life, especially for measuring small objects, body dimensions, paper sizes, and short distances.
The centimeter emerged from the French metric system established by the French Academy of Sciences in 1793. The metric system introduced decimal-based prefixes (milli-, centi-, deci-, deca-, hecto-, kilo-) to create proportional sub-units of the meter.
Centimeters are the standard unit for everyday measurement in nearly every country outside the United States. They are used for body height, clothing sizes, rainfall, paper formats (A4 is 21 × 29.7 cm), screen dimensions, and most consumer product specifications.
Developed in France during the late 18th century as part of the metric system designed by the French Academy of Sciences. Formally adopted in France in 1795 and ratified internationally through the Metre Convention signed in Paris in 1875.
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.
Centimeter to Nail conversion formula
The relationship between centimeters and nails:
To convert centimeters to nails, multiply the value in centimeters by 0.1749781277. To reverse, multiply nails by 5.715.
How to use this converter
Type a value into the calculator. The result in nails updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Nail to Centimeter converter for the reverse direction.
Step-by-step: convert centimeters to nails
- Write down the value in centimeters (cm).
- Multiply that value by the factor 0.1749781277.
- The product is the equivalent value in nails (nail).
- To reverse, multiply the nail value by 5.715.
Worked examples
Example 1 — Convert 1 cm to nail:
1 × 0.1749781277 = 0.1749781277 nail
Example 2 — Convert 100 cm to nail:
100 × 0.1749781277 = 17.4978127734 nail
Real-world example — Ruler-scale measurements
A 30-centimeter school ruler converts cleanly to nails — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 cm × 0.1749781277 = 5.249343832 nail
Real-world example — Hardware-scale dimensions
A 10-centimeter fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between centimeters and nails daily when mixing metric and imperial tools.
10 cm × 0.1749781277 = 1.7497812773 nail
Real-world example — Postcard and small-object dimensions
A postcard is about 5 centimeters wide. Converting to nails is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 cm × 0.1749781277 = 0.8748906387 nail
Centimeter to Nail conversion table
Standard reference values for converting centimeters to nails:
| Centimeter [cm] | Nail [nail] |
|---|---|
| 0.01 | 0.0017497813 |
| 0.1 | 0.0174978128 |
| 1 | 0.1749781277 |
| 2 | 0.3499562555 |
| 3 | 0.5249343832 |
| 4 | 0.6999125109 |
| 5 | 0.8748906387 |
| 10 | 1.7497812773 |
| 20 | 3.4995625547 |
| 30 | 5.249343832 |
| 40 | 6.9991251094 |
| 50 | 8.7489063867 |
| 100 | 17.4978127734 |
| 500 | 87.489063867 |
| 1000 | 174.978127734 |
Frequently asked questions
How many nails is 1 centimeter?
How do I convert centimeters to nails?
How do I convert nails back to centimeters?
How many nails is 100 centimeters?
Popular length unit conversions
Convert Centimeter to other length units
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Metric / SI (17 units)
Imperial / US Customary (27 units)
Nautical (1 units)
Astronomical (9 units)
Atomic / Physics (6 units)
Typographic (3 units)
Sources & references
Conversion factor (1 cm = 0.1749781277 nail) 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.