 The local tael took precedence over any central measure, so the Canton tael weighed 37.5 grams, the Convention or Shanghai tael was 33.9 g (1.09 ozt), and the "Haiguan" () tael .The conversion rates between various common taels were well known.In the year 1933 the government of the Republic of China abolished the tael and completely replaced it with the yuan in a process known as the "fei liang gai yuan" (廢兩改元).