Area Conversion for Agriculture
How farmers and agronomists convert land area units — acres, hectares, bigha, and crop yield calculations.
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Tags: land area conversion agriculture, agricultural land units, farm area calculator
Area Conversion for Agriculture Farming spans metric and imperial systems depending on country, crop type, and data source. Agronomists regularly convert between acres, hectares, bushels per acre, and tonnes per hectare to compare yields, comply with regulations, and analyse market data. --- What is Core Agricultural Area Units? | Unit | Hectares | Acres | Square metres | Notes | |------|----------|-------|--------------|-------| | 1 hectare (ha) | 1 | 2.471 | 10,000 | Primary metric unit | | 1 acre | 0.4047 | 1 | 4,046.86 | US/UK standard | | 1 square mile | 258.99 | 640 | 2,589,988 | US section = 640 ac | | 1 quarter section | 64.75 | 160 | 647,497 | Common US farm | | 1 square kilometre | 100 | 247.1 | 1,000,000 | | | 1 bigha (UP) | 0.2508 | 0.6198 | 2,508 | South Asia | | 1 bigha…
Frequently Asked Questions
What is a hectare in farming?
A hectare (ha) is the standard land area unit in agriculture outside the United States. One hectare = 10,000 square metres = 2.471 acres. It is the primary area unit in FAO crop yield statistics, EU agricultural policy, and most national farming data. A standard football pitch is approximately 0.7 hectares; a small family farm might be 5–20 hectares.
How many acres in a square mile?
One square mile = exactly 640 acres. This is the basis of the US Public Land Survey System (PLSS): a standard section = 1 square mile = 640 acres. A quarter section (commonly sold as a farm) = 160 acres. An eighth section = 80 acres. These divisions are the source of the common US farm size descriptions.
How do farmers calculate crop yield per acre?
Crop yield per acre = total harvest weight ÷ harvested area. For example, if 50 acres produces 5,000 bushels of corn: yield = 5,000 ÷ 50 = 100 bushels per acre. US yields are reported in bushels per acre; international yields use kilograms per hectare or tonnes per hectare. To convert: 1 bushel/acre of corn ≈ 62.77 kg/ha.
What is a section of land?
A section is a US land surveying unit: exactly 1 square mile = 640 acres = 259 hectares. It was established by the Land Ordinance of 1785 to survey and divide public land in the western US territories. Sections are still the basis for rural land descriptions in the US: 'The SW ¼ of Section 12, Township 3 North, Range 4 East.'
How do I convert bushels per acre to kg per hectare?
The conversion depends on the crop because bushels are a volume measure and the weight per bushel varies. Common factors: corn (56 lb/bu) = 1 bu/ac × 62.77 = kg/ha; wheat (60 lb/bu) = 1 bu/ac × 67.25 = kg/ha; soybeans (60 lb/bu) = 1 bu/ac × 67.25 = kg/ha. So corn at 200 bu/ac = 200 × 62.77 = 12,554 kg/ha ≈ 12.6 t/ha.
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