Hectare Conversion Guide
📌 What is a Hectare?
• Hectare (ha) is an internationally used unit of area
• 1 hectare = 10,000 m²
• 1 hectare = 3,025 pyeong
• 1 pyeong = 3.305785 m²
• Used for farmland, forests, and large land areas
💡 Conversion Formula
• ha → m²: ha × 10,000
• ha → pyeong: ha × 3,025
• pyeong → m²: pyeong × 3.305785
• m² → pyeong: m² ÷ 3.305785
🏡 Common Area Sizes
• 30 pyeong apartment: about 99 m²
• 50 pyeong apartment: about 165 m²
• Soccer field: about 0.7 ha (7,140 m²)
• Basketball court: about 420 m² (127 pyeong)
• Tennis court: about 260 m² (79 pyeong)
🌾 Hectares in Farmland
• Small farm: 0.3~1 ha
• Medium farm: 1~5 ha
• Large farm: 5+ ha
• 1 ha = about 3,000 pyeong
• 100 pyeong = about 0.033 ha = 330 m²
🏗️ Area Units in Real Estate
• Korea: Mainly uses pyeong
• Official docs: Square meters (m²)
• International: Hectares (ha)
• Land registry: m² notation
📊 Area Comparison
• 1 pyeong = about 3.3 m²
• 100 m² = about 30.25 pyeong
• 1,000 m² = about 302.5 pyeong = 0.1 ha
• 10,000 m² = about 3,025 pyeong = 1 ha
🌲 Forest/Park Areas
• Neighborhood park: Usually 1~3 ha
• Children's park: 0.15+ ha
• Urban natural park: 10+ ha
• National park: Thousands~tens of thousands ha
✨ Tips
• Check both m² and pyeong in real estate contracts
• Land registry uses m², convert to pyeong
• Hectares are convenient for large land areas
• 1 pyeong is the size for 2 adults to lie down
Hectare Conversion Basics: Complete Guide to Agricultural Land Calculation
The hectare (ha) is the most widely used unit of area in agriculture and land management. One hectare equals exactly 10,000 square meters, equivalent to a 100m × 100m square. In Korean traditional units, this converts to approximately 3,025 pyeong. Understanding hectares accurately is crucial when purchasing or leasing farmland. For example, 5 hectares of farmland equals about 15,125 pyeong, suitable for medium to large-scale farming operations. The average Korean farm cultivates 1.5-2 hectares, equivalent to approximately 4,500-6,000 pyeong. To convert hectares to pyeong, multiply by 3,025; to convert pyeong to hectares, divide by 3,025. Land registries show areas in square meters, so converting to hectares or pyeong helps visualize actual size. Professional farmers and agricultural investors rely on hectare measurements for accurate land assessment and resource planning.
Essential for Real Estate Contracts: Pyeong and Square Meter Conversion Know-How
Accurate understanding of area units is essential in real estate transactions. Korea commonly uses pyeong in daily life, but official documents like land registries use square meters (m²). One pyeong equals exactly 3.305785 square meters, roughly 182cm × 182cm. For apartments, a 30-pyeong unit is about 99 square meters, while 50-pyeong is about 165 square meters. Understanding the difference between exclusive area and supply area is also important. Exclusive area refers to actual living space, while supply area includes common spaces. For example, an apartment with 84 square meters (about 25 pyeong) exclusive area might have a supply area of about 110 square meters (about 33 pyeong). To convert square meters to pyeong, multiply by 0.3025; to convert pyeong to square meters, multiply by 3.305785. Always verify both units when signing contracts to prevent confusion.
Large-Scale Land Investment: Understanding Land Value in Hectares
Hectares are much more intuitive for large-scale land investments or development projects. One hectare is about 1.4 times larger than a soccer field; an actual international-standard soccer field is about 0.7 hectares. When considering industrial complex or golf course development, industrial parks typically require at least 10-50 hectares, while golf courses need about 60-80 hectares. In agriculture, required area varies by crop type. Rice farming can expect about 5-6 tons harvest per hectare, while greenhouse horticulture can generate sufficient profit with 0.5-1 hectare. When evaluating land development potential, consider zoning along with area. Tourism complex development requires at least 3 hectares, equivalent to about 9,000 pyeong. Large land valuation should consider not just area but also accessibility, terrain, and soil conditions comprehensively.
Parks and Green Spaces: The Importance of Hectares in Urban Planning
Park and green space area is a crucial factor determining citizens' quality of life in urban planning. Legally, children's parks must be at least 0.15 hectares (about 450 pyeong), neighborhood parks 1-3 hectares (about 3,000-9,000 pyeong), and urban natural parks 10+ hectares (about 30,000 pyeong). Seoul's Olympic Park is about 144 hectares (about 430,000 pyeong), approximately 6 times larger than Yeouido Park (23 hectares). Park area per capita indicates a city's environmental quality; WHO recommends a minimum of 9 square meters (about 2.7 pyeong). New city planning must secure at least 10-15% of total area as green space, equivalent to 10-15 hectares for a 100-hectare new city. Ecological or wetland parks require even larger areas for ecosystem preservation, typically 20+ hectares. Urban forests and buffer green spaces reduce fine dust and regulate temperature, making adequate area allocation directly linked to environmental improvement.
Agricultural Land Act and Hectares: Area Regulations Farmers Should Know
Under agricultural land laws, area standards are important for farmland acquisition and management. To qualify as a farmer, one generally must cultivate at least 1,000 square meters (about 0.1 hectares, about 300 pyeong). For farmland conversion, permit requirements differ by area: under 3 hectares requires city/county mayor approval, 3+ hectares requires provincial governor approval. Direct payment subsidies target cultivators of 0.1+ hectares, with support amounts increasing with area. Farmland area also determines agricultural facility installation. For example, agricultural warehouses can be built within 10% of farmland area; 1 hectare of farmland allows up to 1,000 square meters of warehouse. When disposing of inherited farmland, area matters: non-farmers can own small plots under 1 hectare but have actual cultivation obligations. Precision agriculture or smart farm implementation achieves economic viability at 0.5+ hectares minimum, making adequate area acquisition important before investment.
Overseas Land Investment: Comparing with International Standard Hectares
Hectares serve as the international standard area unit for overseas real estate or farmland investment. The US and UK use acres, where 1 acre equals about 0.405 hectares. Therefore, a 100-acre American farm is about 40.5 hectares (about 120,000 pyeong). Hectares are also useful when comparing farmland prices across Southeast Asia. Vietnamese farmland averages $10,000-30,000 per hectare; Thailand ranges $50,000-100,000. Australian large ranches typically span thousands of hectares; a 1,000-hectare ranch is about 3 million pyeong, a size difficult to imagine with Korean perspectives. Canadian and Brazilian grain farms also operate on minimum hundreds of hectares. Overseas land investment should consider not just area but water supply, climate, and soil conditions. Particularly in developing countries, registry systems may be incomplete, making accurate area surveying and legal review essential. Understanding area in hectares enables objective comparison of land prices and productivity across countries, supporting rational investment decisions.
