The primary unit of land measurement in Assam. 1 Bigha equals 100 Lessa or approximately 0.1338 Hectares.
A subdivision of Bigha. 1 Bigha = 5 Katha, and 1 Katha = 20 Lessa. Used for medium-sized plots.
The smallest traditional unit. 1 Lessa = 0.001338 Hectares. Used for small land parcels and measurements.
International metric unit. 1 Hectare = 10,000 square meters. Used in official records and international transactions.