Bigha (Uttar Pradesh / Bihar, Pucca) to Ropani (Nepal): the quick answer
To convert bigha (Uttar Pradesh / Bihar, pucca) to ropani (Nepal), multiply the value by 4.97169. To go the other way, multiply ropani (Nepal) by 0.201139 to get bigha (Uttar Pradesh / Bihar, pucca).
↔ Convert ropani (Nepal) to bigha (Uttar Pradesh / Bihar, pucca) instead