What is Rate?
'''Rate''' or '''rates''' may be: * [[Rate (mathematics)]], a specific kind of ratio, in which two measurements are related to each other * Rate of travel, or [[velocity]] * [[Naval rating]] or rate, terms used to designate specialty or seniority of enlisted naval personnel. * [[Rate of a ship]], a term for a sail ship's firepower in the British Royal Navy * [[Bit rate]], number of bits that are processed per unit of time * [[Rates]], a Portuguese parish and town located in the municipality of Póvoa de Varzim * [[Rates (tax)]] a type of [[property tax]] in the United Kingdom ;In science and finance: * [[Rate function]], a function used to put a number to the probabilities of a rare event * [[Rates (tax)]], a type of taxation system used to fund local government * [[Reaction rate]] in Chemistry * [[Exchange rate]], how much one currency is worth in terms of the other ;In human growth: * [[Birth rate]], the childbirths per 1,000 people per year * [[Mortality rate]], a measure of the number of deaths in some population ;As an initialism * [[Radioisotopes and the Age of the Earth]], a project of creation geophysics {{disambig}}