CalcHub
Free unit conversionAs of 2026
Value to convert
Conversion result
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Major Area Conversion Formulas
1 pyeong = 3.30579 m²
1 hectare (ha) = 10,000 m² = approximately 3,025 pyeong
1 acre = 4,046.86 m² ≈ 1,224 pyeong
1 km² = 100 hectares = 1,000,000 m²
1 hectare (ha) = 10,000 m² = approximately 3,025 pyeong
1 acre = 4,046.86 m² ≈ 1,224 pyeong
1 km² = 100 hectares = 1,000,000 m²
Hectares (ha) or acres are mainly used for land and farmland areas, while m² or pyeong is mainly used for indoor areas.
Frequently Asked Questions
How many pyeong is 1 hectare?
1 hectare = 10,000 m² = approximately 3,025 pyeong. An area of 100 m × 100 m is 1 hectare.
How many m² is 1 acre?
1 acre = approximately 4,047 m² = approximately 1,224 pyeong. The acre unit is widely used in land transactions in the United States.