Convert Square Kilometer to Pyeong
Convert square kilometers to pyeongs instantly. 1 square kilometer = 302498.6387561256 pyeong — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pyeong to Square Kilometer converter for the reverse conversion.
Units explained
Square Kilometer
A square kilometer is a metric unit of area equal to 1,000,000 m² (one million square meters), or 100 hectares. It is used for measuring large land areas, regional geography, and country-scale statistics.
Derived by squaring the kilometer (1000 m). The kilo- prefix comes from the Greek 'chilioi' (thousand).
Square kilometers express the area of cities, districts, lakes, forests, and entire countries. India's total area is approximately 3,287,263 km². 1 km² equals 100 hectares or about 247.105 acres.
Kilometer 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 Kilometer to Pyeong conversion formula
The relationship between square kilometers and pyeongs:
To convert square kilometers to pyeongs, multiply the value in square kilometers by 302498.6387561256. To reverse, multiply pyeongs by 3.3058e-6.
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 Kilometer converter for the reverse direction.
Step-by-step: convert square kilometers to pyeongs
- Write down the value in square kilometers (km²).
- Multiply that value by the factor 302498.6387561256.
- The product is the equivalent value in pyeongs (pyeong).
- To reverse, multiply the pyeong value by 3.3058e-6.
Worked examples
Example 1 — Convert 1 km² to pyeong:
1 × 302498.6387561256 = 302498.6387561256 pyeong
Example 2 — Convert 100 km² to pyeong:
100 × 302498.6387561256 = 3.024986e+7 pyeong
Square Kilometer to Pyeong conversion table
Standard reference values for converting square kilometers to pyeongs:
| Square Kilometer [km²] | Pyeong [pyeong] |
|---|---|
| 0.01 | 3024.9863875613 |
| 0.1 | 30249.8638756126 |
| 1 | 302498.6387561256 |
| 2 | 604997.2775122512 |
| 3 | 907495.9162683767 |
| 4 | 1209994.5550245023 |
| 5 | 1512493.193780628 |
| 10 | 3024986.3875612561 |
| 20 | 6049972.7751225121 |
| 30 | 9074959.1626837682 |
| 40 | 1.209995e+7 |
| 50 | 1.512493e+7 |
| 100 | 3.024986e+7 |
| 500 | 1.512493e+8 |
| 1000 | 3.024986e+8 |
Frequently asked questions
How many pyeongs is 1 square kilometer?
How do I convert square kilometers to pyeongs?
How do I convert pyeongs back to square kilometers?
How many pyeongs is 100 square kilometers?
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 km² = 302498.6387561256 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 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.