Biswa / Katha (Uttar Pradesh / Bihar) to Marla: the quick answer
To convert biswa / katha (Uttar Pradesh / Bihar) to marla, multiply the value by 5. To go the other way, multiply marla by 0.2 to get biswa / katha (Uttar Pradesh / Bihar).
↔ Convert marla to biswa / katha (Uttar Pradesh / Bihar) instead