Biswa / Katha (Uttar Pradesh / Bihar) to Gaj (Square Yards): the quick answer
To convert biswa / katha (Uttar Pradesh / Bihar) to gaj (square yards), multiply the value by 151.25. To go the other way, multiply gaj (square yards) by 0.00661157 to get biswa / katha (Uttar Pradesh / Bihar).
↔ Convert gaj (square yards) to biswa / katha (Uttar Pradesh / Bihar) instead