Square Wa (Thailand) to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert square wa (Thailand) to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 0.00158147. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 632.321 to get square wa (Thailand).
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to square wa (Thailand) instead