Convert Square Centimeter to Are
Convert square centimeters to ares instantly. 1 square centimeter = 1e-6 are — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Are to Square Centimeter converter for the reverse conversion.
Units explained
Square Centimeter
A square centimeter is a metric unit of area equal to 10⁻⁴ m² (1 cm × 1 cm). It is widely used in everyday measurement, lab work, and small-area applications.
Derived by squaring the centimeter (1/100 of a meter). The centi- prefix comes from the Latin 'centum' (hundred).
Square centimeters express the cross-sectional area of pipes and cables, the surface area of small everyday objects, biological tissue samples, and many engineering quantities. The SI unit for medical/pharmaceutical dose-per-area is often expressed in cm².
Centimeter has been part of the metric system since 1795.
Are
An are is a metric unit of area equal to 100 square meters. It is used in some European countries for land measurement, especially for smaller plots like vineyards and gardens.
Introduced as part of the French metric system in 1795. The name comes from the Latin 'area' meaning surface or open ground.
Ares are still used in some European countries (especially Switzerland and France) for small-plot land measurement. In Switzerland, an are is a common unit for vineyard size. Most modern contexts prefer square meters or hectares.
Defined in 1795 in France as part of the original metric system.
Square Centimeter to Are conversion formula
The relationship between square centimeters and ares:
To convert square centimeters to ares, multiply the value in square centimeters by 1e-6. To reverse, multiply ares by 1000000.
How to use this converter
Type a value into the calculator. The result in ares updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Are to Square Centimeter converter for the reverse direction.
Step-by-step: convert square centimeters to ares
- Write down the value in square centimeters (cm²).
- Multiply that value by the factor 1e-6.
- The product is the equivalent value in ares (a).
- To reverse, multiply the are value by 1000000.
Worked examples
Example 1 — Convert 1 cm² to a:
1 × 1e-6 = 1e-6 a
Example 2 — Convert 100 cm² to a:
100 × 1e-6 = 1e-4 a
Real-world example — Plastic-film thickness alternates
A 150-square centimeter plastic film converts cleanly to ares — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 cm² × 1e-6 = 0.00015 a
Real-world example — Hair-width scale measurements
A 70-square centimeter measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like ares for direct comparison across supplier datasheets.
70 cm² × 1e-6 = 7e-5 a
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 square centimeters), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 cm² × 1e-6 = 3e-6 a
Square Centimeter to Are conversion table
Standard reference values for converting square centimeters to ares:
| Square Centimeter [cm²] | Are [a] |
|---|---|
| 0.01 | 1e-8 |
| 0.1 | 1e-7 |
| 1 | 1e-6 |
| 2 | 2e-6 |
| 3 | 3e-6 |
| 4 | 4e-6 |
| 5 | 5e-6 |
| 10 | 1e-5 |
| 20 | 2e-5 |
| 30 | 3e-5 |
| 40 | 4e-5 |
| 50 | 5e-5 |
| 100 | 1e-4 |
| 500 | 0.0005 |
| 1000 | 0.001 |
Frequently asked questions
How many ares is 1 square centimeter?
How do I convert square centimeters to ares?
How do I convert ares back to square centimeters?
How many ares is 100 square centimeters?
Popular area unit conversions
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Metric / SI (15 units)
Imperial / US Customary (15 units)
US Survey (5 units)
Indian Subcontinent (16 units)
Other Regional (10 units)
Scientific / Physics (5 units)
Sources & references
Conversion factor (1 cm² = 1e-6 a) 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.