1, ad valorem calculation formula: tariff amount = duty-paid price x tariff rate;
2, from the quantitative calculation formula: tariff amount = the number of goods x the amount of tariffs;
3, compounding calculation formula: tariff amount = the number of goods x the amount of tariffs;
3, the amount of tariffs = the number of goods x the amount of tariffs. The formula for calculating the composite levy is: tariff amount = quantity of goods x ad valorem tariff rate + tariff-paid price x ad valorem tariff rate.
Tariffs are a kind of tax levied by the Customs and Excise Department on incoming and outgoing goods and articles in accordance with the law. The classification of tariffs includes: import tariffs, export tariffs, transit tariffs, according to the classification of the flow of goods; classification of the purpose of taxation, divided into fiscal tariffs, protection tariffs, punitive tariffs; classification of tariff treatment, divided into ordinary tariffs and preferential tariffs; according to the regular and temporary division, can be divided into the statutory tariffs and additional tariffs.