Acres to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert acres to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 1.6. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 0.625 to get acres.
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to acres instead