Bigha (Uttar Pradesh / Bihar, Pucca) to Sarsahi (Square Karam): the quick answer
To convert bigha (Uttar Pradesh / Bihar, pucca) to sarsahi (square karam), multiply the value by 900. To go the other way, multiply sarsahi (square karam) by 0.00111111 to get bigha (Uttar Pradesh / Bihar, pucca).
↔ Convert sarsahi (square karam) to bigha (Uttar Pradesh / Bihar, pucca) instead