Assam land records, managed on the Dharitree (ILRMS) portal under the Assam Land and Revenue Regulation 1886, follow the Bigha-Katha-Lecha system. One Assam Bigha equals 14,400 sq ft and contains 5 Kathas (2,880 sq ft each) and 100 Lechas (144 sq ft each).
Assam Land Measurement Guide — Bigha, Katha, Lecha & Dharitree Standards
Assam land units guide: 1 Bigha = 14,400 sq ft, 1 Katha = 2,880 sq ft, 1 Lecha = 144 sq ft. Dharitree ILRMS portal & Guwahati real estate reference.
Assam Land Converters
Official Assam Measurement Baselines
Assam revenue department conversion factors:
- 1 Bigha (Assam): 14,400 square feet (1,600 sq yards / 1,337.8 sq meters / 5 Kathas).
- 1 Katha: 1/5th of a Bigha = 2,880 square feet (320 sq yards / 20 Lechas).
- 1 Lecha: 1/20th of a Katha = 144 square feet (16 sq yards).
- 1 Acre: 3.025 Assam Bighas = 43,560 sq ft.
Official Assam Land Records Portal
Access verified Khatauni, Jamabandi, and Khatian land records directly on the official state revenue website:
Visit Dharitree Assam (ilrms.assam.gov.in) →