Single-entry tourist/business/student visa is valid for 3 months from the date of issue and costs US$50. The exception here is that US citizens need to pay US$100 and UK citizens, if applying in advance, need to pay GB£40. If yotu are applying for a Tanzania visa in the US, multiple-entry visa will cost US$100 and is valid for either 6 months or 1 year. Business visa, however, will cost you US$250. If you are applying for the visa from the UK, double-entry visa will cost you GB£70, while a 6-month multiple-entry visa will cost you GB£80 and for 1 year, it will cost you GB£100. A business single-entry visa will cost you GB£180. Transit visas are available for those traveling through Tanzania to another destination. The transit visa will cost you US$30 and is valid for a period of 7 days.