The mithqál is the unit used in the Kitáb-i-Aqdas for determining dowry and Ḥuqúqu'lláh payments. One Bahá'í mithqál is equivalent to 3. 642 grams, or 0. 1171 troy ounces. The app helps to find the current cost of 19 mithqals of gold which will be useful for the Baha'is to easily find out if they are due to make the Huququllah payment.