Bigha (Uttar Pradesh / Bihar, Pucca) to Kattha (Nepal): the quick answer
To convert bigha (Uttar Pradesh / Bihar, pucca) to kattha (Nepal), multiply the value by 7.46914. To go the other way, multiply kattha (Nepal) by 0.133884 to get bigha (Uttar Pradesh / Bihar, pucca).
↔ Convert kattha (Nepal) to bigha (Uttar Pradesh / Bihar, pucca) instead