Bigha (Uttar Pradesh / Bihar, Pucca) to Biswa (Punjab): the quick answer
To convert bigha (Uttar Pradesh / Bihar, pucca) to biswa (Punjab), multiply the value by 25. To go the other way, multiply biswa (Punjab) by 0.04 to get bigha (Uttar Pradesh / Bihar, pucca).
↔ Convert biswa (Punjab) to bigha (Uttar Pradesh / Bihar, pucca) instead