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Convert Pyong to Barn (py to b) instantly with accurate, readable results.
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Pyeong (평; pyŏng/pyong) - Korean unit of area
Pyeong is a traditional Korean unit of area still common in real-estate listings, though officially replaced by square meters. Used to describe apartment and room sizes, with informal conversions widely understood.
- Names/aliases: pyeong, pyong, 평
- System: Traditional Korean (non-SI)
- Metric equivalent: 1 pyeong = 3.305785 m² (commonly rounded to 3.306 m²)
- Imperial/US equivalent: 1 pyeong ≈ 35.583175 ft²
- Larger units: 1 jeongbo = 3,000 pyeong ≈ 9,917.355 m² ≈ 0.9917355 h
- Typical examples: “25 pyeong” apartment ≈ 82.6 m² (marketing area); room sizes expressed in pyeong for quick mental estimates
Barn (b) - nuclear/particle cross-section area
Barn is a non-SI unit of area used in nuclear and particle physics to express interaction cross-sections. The name originated humorously during the Manhattan Project (“as big as a barn”).
- Symbol: b
- System: Non-SI (accepted in high-energy/nuclear physics)
- Exact relations: 1 b = 10⁻²⁸ m² = 10⁻²⁴ cm² = 100 fm²
- Common submultiples: 1 mb = 10⁻³ b; 1 µb = 10⁻⁶ b; 1 nb = 10⁻⁹ b; 1 pb = 10⁻¹² b; 1 fb = 10⁻¹⁵ b; 1 ab = 10⁻¹⁸ b
- Related usage: integrated luminosity often quoted in inverse barns (e.g., fb⁻¹)
- Typical examples: neutron capture and scattering cross-sections; collider process cross-sections reported from barns down to picobarns and femtobarns