Tamil Nadu land records use Cent and Ground as the primary traditional units alongside standard metric Hectares and Square Feet. Online land records (Patta & Chitta) are managed via the TN e-Services portal under the Tamil Nadu Land Revenue Code.
In Chennai, Coimbatore, Madurai, and Trichy, urban plots are measured in Grounds (2,400 sq ft), while suburban and agricultural land is sold in Cents (435.6 sq ft).
Official Tamil Nadu Measurement Baselines
Tamil Nadu revenue and real estate conversion baselines:
- 1 Cent: 435.6 square feet (48.4 sq yards / 40.46 sq meters / 1/100th Acre).
- 1 Ground: 2,400 square feet (266.67 sq yards / 222.96 sq meters / 5.51 Cents).
- 1 Acre: 100 Cents = 18.15 Grounds = 43,560 sq ft.
- 1 Hectare: 247.1 Cents = 2.471 Acres = 107,639 sq ft.
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