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