Bigha (Uttar Pradesh / Bihar, Pucca) to Manzana (Costa Rica, Honduras, El Salvador): the quick answer
To convert bigha (Uttar Pradesh / Bihar, pucca) to manzana (Costa Rica, Honduras, El Salvador), multiply the value by 0.361897. To go the other way, multiply manzana (Costa Rica, Honduras, El Salvador) by 2.76322 to get bigha (Uttar Pradesh / Bihar, pucca).