Convert Pyeong to Feddan
Convert pyeongs to feddans instantly. 1 pyeong = 0.0007869397 feddan — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Feddan to Pyeong converter for the reverse conversion.
Units explained
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.
Feddan
A feddan is an Egyptian unit of land area equal to approximately 4200.83 m² (about 1.038 acres). Used in Egypt, Sudan, Syria, and Oman.
Originated as an Egyptian agricultural unit. Standardized at 4200.83 m² in modern Egyptian law (specifically, 333.33 qasaba squared).
Feddans are the primary unit for agricultural land in Egypt and several Arab countries. The conversion to hectares (1 feddan ≈ 0.42 hectare) is widely known regionally.
Standardized in modern Egyptian land law.
Pyeong to Feddan conversion formula
The relationship between pyeongs and feddans:
To convert pyeongs to feddans, multiply the value in pyeongs by 0.0007869397. To reverse, multiply feddans by 1270.7453566459.
How to use this converter
Type a value into the calculator. The result in feddans updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Feddan to Pyeong converter for the reverse direction.
Step-by-step: convert pyeongs to feddans
- Write down the value in pyeongs (pyeong).
- Multiply that value by the factor 0.0007869397.
- The product is the equivalent value in feddans (feddan).
- To reverse, multiply the feddan value by 1270.7453566459.
Worked examples
Example 1 — Convert 1 pyeong to feddan:
1 × 0.0007869397 = 0.0007869397 feddan
Example 2 — Convert 100 pyeong to feddan:
100 × 0.0007869397 = 0.0786939724 feddan
Real-world example — Metric distance scale-up
One thousand pyeongs equals one feddan — the running distance for a 1K race or the standard metric kilometre-scale step. The simple thousand-fold conversion is the most-used metric distance translation.
1000 pyeong × 0.0007869397 = 0.7869397238 feddan
Real-world example — Imperial mile arithmetic
5,280 pyeongs equals exactly one feddan. American hikers tracking elevation gain in the smaller unit but trail length in the larger one use this constant every time they read a topographic map.
5280 pyeong × 0.0007869397 = 4.1550417418 feddan
Real-world example — Imperial yard-to-mile scale
1,760 pyeongs equals exactly one feddan. American athletes and surveyors use this conversion to translate distances quoted in the smaller imperial unit into recognizable fractions of the larger geographic one.
1760 pyeong × 0.0007869397 = 1.3850139139 feddan
Pyeong to Feddan conversion table
Standard reference values for converting pyeongs to feddans:
| Pyeong [pyeong] | Feddan [feddan] |
|---|---|
| 0.01 | 7.869397e-6 |
| 0.1 | 7.869397e-5 |
| 1 | 0.0007869397 |
| 2 | 0.0015738794 |
| 3 | 0.0023608192 |
| 4 | 0.0031477589 |
| 5 | 0.0039346986 |
| 10 | 0.0078693972 |
| 20 | 0.0157387945 |
| 30 | 0.0236081917 |
| 40 | 0.031477589 |
| 50 | 0.0393469862 |
| 100 | 0.0786939724 |
| 500 | 0.3934698619 |
| 1000 | 0.7869397238 |
Frequently asked questions
How many feddans is 1 pyeong?
How do I convert pyeongs to feddans?
How do I convert feddans back to pyeongs?
How many feddans is 100 pyeongs?
Popular area unit conversions
Convert Pyeong to other area units
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Sources & references
Conversion factor (1 pyeong = 0.0007869397 feddan) 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.