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To convert townships to sections: multiply by 36. To acres: multiply by 23,040. To km²: multiply by 93.24.
1 township = 36 sections = 36 mi² = 23,040 acres ≈ 93.24 km².
For example, 1 Township (township) = 36 Section (section).
| Township (township) | Section (section) |
|---|---|
| 0.1 | 3.6 |
| 0.5 | 18 |
| 1 | 36 |
| 2 | 72 |
| 5 | 180 |
| 10 | 360 |
| 25 | 900 |
| 50 | 1800 |
| 100 | 3600 |
| 500 | 18000 |
| 1000 | 36000 |
A township (survey) is a unit of land area equal to 36 square miles (93.24 km²), used in the US Public Land Survey System.
1 township = 36 sections = 36 mi² = 23,040 acres ≈ 93.24 km².
To convert townships to sections: multiply by 36. To acres: multiply by 23,040. To km²: multiply by 93.24.
Legal land descriptions in the western US, mineral rights boundaries, and county subdivision.
Indiana was the first state fully surveyed using the township system (1799–1834). The grid is still visible in satellite imagery.
Confusing 'township' (the survey unit = 36 mi²) with 'township' as a political subdivision, which can vary in size.
A township = 6 mi × 6 mi = 36 sections. Each section = 1 mi² = 640 acres. It's a nested grid system.
A section is a unit of land area equal to 1 square mile (640 acres or 2.59 km²), used in the US Public Land Survey System.
1 section = 1 mi² = 640 acres = 2.59 km². 36 sections = 1 township.
To convert sections to acres: multiply by 640. To km²: multiply by 2.59.
Rural property descriptions, agricultural land division, mineral rights, and road grid planning in the western US.
Section 16 in every township was traditionally reserved for public schools — a major source of early American education funding.
Forgetting that sections are numbered in a specific serpentine pattern within a township (1 in NE, snaking to 36).
The US west of Ohio is largely divided into a grid of 1-mile sections. Look at Google Maps in rural areas to see the grid patterns.



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