Guntha (Gunta) to Katha (Bangladesh / West Bengal): the quick answer
To convert guntha (gunta) to katha (Bangladesh / West Bengal), multiply the value by 1.5125. To go the other way, multiply katha (Bangladesh / West Bengal) by 0.661157 to get guntha (gunta).
↔ Convert katha (Bangladesh / West Bengal) to guntha (gunta) instead