In Assam: 1 bigha is equal to 0.3306 acres, 2 bigha is equal to 0.6612 acres and so on. In Himachal Pradesh: 1 bigha is equal to 0.2 acres, 2 bigha is equal to 0.4 acres and so on. In Karnataka: 1 bigha is equal to 0.62 acres, 2 bigha is 1.24 acres and so on.