Convert Square Centimeter to Pyeong
Convert square centimeters to pyeongs instantly. 1 square centimeter = 3.024986e-5 pyeong — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pyeong 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.
Pyeong
A pyeong is a Korean unit of area equal to approximately 3.3058 m² (about 35.58 square feet).
Originated as a traditional East Asian land unit. Korean usage standardizes pyeong at 400/121 m² ≈ 3.3058 m². Defined as the area of a 6-by-6 Korean foot (cheok) square.
Pyeong is the primary unit for residential real estate in South Korea. Although the government tried to phase pyeong out in favor of square meters from 2007, the unit remains in widespread popular use, particularly for apartment sizes.
Traditional East Asian unit; remains in widespread Korean use despite government metric campaigns.
Square Centimeter to Pyeong conversion formula
The relationship between square centimeters and pyeongs:
To convert square centimeters to pyeongs, multiply the value in square centimeters by 3.024986e-5. To reverse, multiply pyeongs by 33058.
How to use this converter
Type a value into the calculator. The result in pyeongs updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pyeong to Square Centimeter converter for the reverse direction.
Step-by-step: convert square centimeters to pyeongs
- Write down the value in square centimeters (cm²).
- Multiply that value by the factor 3.024986e-5.
- The product is the equivalent value in pyeongs (pyeong).
- To reverse, multiply the pyeong value by 33058.
Worked examples
Example 1 — Convert 1 cm² to pyeong:
1 × 3.024986e-5 = 3.024986e-5 pyeong
Example 2 — Convert 100 cm² to pyeong:
100 × 3.024986e-5 = 0.0030249864 pyeong
Real-world example — Quarter-meter measurement reference
A 250,000-square centimeter length equals 0.25 pyeongs — useful for comparing supply-chain spec sheets where some lengths are quoted in the smaller unit and some in the larger.
250000 cm² × 3.024986e-5 = 7.5624659689 pyeong
Real-world example — From microscopic to macroscopic
A million square centimeters equals exactly one pyeong. This kind of conversion appears in microfluidics, where total channel length is given in pyeongs but feature widths are in square centimeters.
1000000 cm² × 3.024986e-5 = 30.2498638756 pyeong
Real-world example — Macro-scale buildup
A million square centimeters equals exactly one pyeong — the conversion that bridges microscale features and macroscale objects in microfluidic, biomedical, and semiconductor packaging design.
1000000 cm² × 3.024986e-5 = 30.2498638756 pyeong
Square Centimeter to Pyeong conversion table
Standard reference values for converting square centimeters to pyeongs:
| Square Centimeter [cm²] | Pyeong [pyeong] |
|---|---|
| 0.01 | 3.024986e-7 |
| 0.1 | 3.024986e-6 |
| 1 | 3.024986e-5 |
| 2 | 6.049973e-5 |
| 3 | 9.074959e-5 |
| 4 | 0.0001209995 |
| 5 | 0.0001512493 |
| 10 | 0.0003024986 |
| 20 | 0.0006049973 |
| 30 | 0.0009074959 |
| 40 | 0.0012099946 |
| 50 | 0.0015124932 |
| 100 | 0.0030249864 |
| 500 | 0.0151249319 |
| 1000 | 0.0302498639 |
Frequently asked questions
How many pyeongs is 1 square centimeter?
How do I convert square centimeters to pyeongs?
How do I convert pyeongs back to square centimeters?
How many pyeongs is 100 square centimeters?
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Sources & references
Conversion factor (1 cm² = 3.024986e-5 pyeong) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.