Tønde Land (Denmark) to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert tønde land (Denmark) to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 2.18093. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 0.458519 to get tønde land (Denmark).
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to tønde land (Denmark) instead