Killa (Punjab Acres) to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert killa (Punjab 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 killa (Punjab acres).
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to killa (Punjab acres) instead