Question: 1 katha how many gaj in bihar?
Answer: In the Indian state of Bihar, one katha may vary from 750 ft² to 2000 ft². Also this can be 32 by 30 feet in length and breadth respectively. In North Bihar and Patna, 1 Kattha is generally equal to 1361 ft². 20 Kathas equals 1 Bigha.