由于船舶、货物、港口及其它方面的种种原因，使得船方在运输货物时增加费用开支或蒙受经济损失，船方为补偿这些开支或损失，除基本费率外，规定另外收取的费用，就叫附加费（Surcharge或Additional）。附加费种类繁多，而且随着一些情况的改变，会取消或制订新的附加费。以下是一些常见的附加费类别，供您参考：
燃油附加费（Bunker Surcharge or Bunker Adjustment Factor , 缩写是BAF）

货币贬值附加费（Devaluation Surcharge or Currency Adjustment Factor , 缩写是CAF）

绕航附加费 (Deviation Surcharge)

苏伊士运河附加费 (Suez Canal Surcharge)

转船附加费 (Transhipment Surcharge)

直航附加费 (Direct Additional)

港口附加费 (Port Surcharge)

港口拥挤附加费 (Port Congestion Surcharge)

超重附加费 (Heavy-Lift Additional)

超长附加费 (Long Length Additional)

洗舱费 (Cleaning Charge)

熏蒸费 (Fumigation Charge)

冰冻附加费 (Ice Surcharge)

选择卸货港附加费 (Optional Fees or Optional Additional)

变更卸货港附加费 (Alteration Charge)