Square Chains to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert square chains to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 0.16. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 6.25 to get square chains.
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to square chains instead