title: Rate
text: # Rate
  
  Rate or rates may refer to:
  
  ## Finance
  
  * Rates (tax), a type of taxation system in the United Kingdom used to fund local government
  * Exchange rate, rate at which one currency will be exchanged for another
  
  ## Mathematics and science
  
  * Rate (mathematics), a specific kind of ratio, in which two measurements are related to each other (often with respect to time)
  * Rate function, a function used to quantify the probabilities of a rare event
  * Reaction rate, in chemistry the speed at which reactants are converted into products
  
  ## Military
  
  * Naval rate, a junior enlisted member of a navy
  * Rating system of the Royal Navy, a former method of indicating a British warship's firepower
  
  ## People
  
  * Ed Rate (1899–1990), American football player
  * José Carlos Rates (1879–1945), General Secretary of the Portuguese Communist Party
  * Peter of Rates (died 60 AD), traditionally considered to be the first bishop of Braga
  
  ## Other uses
  
  * Rate (building), the class of a building in late Georgian and early Victorian construction standards
  * Rates (Póvoa de Varzim), a Portuguese parish and town located in the municipality of Póvoa de Varzim
  * RATE project, a young earth creationism research project
  