To provide a fluid instrument information providing device capable of providing the user side with various and useful information regarding utilization of an instrument which uses fluid.

A fluid instrument information providing device 10 includes: a gas used amount integration unit 14 which integrates used amounts of gas for every kind of gas appliances 40 discriminated by a gas appliance discrimination unit 12 on the basis of secular change of a flow rate of the gas measured by a flow rate measurement unit 11, respectively; an instrument information generation unit 16 which generates a plurality of pieces of gas instrument information including charge information regarding the gas appliances corresponding to the respective integrated used amounts on the basis of the integrated used amounts for every kind of the gas appliances integrated by the gas used amount integration unit 14; an information selection unit 18 by which a user selects any gas instrument information from among the pieces of gas instrument information generated by the instrument information generation unit 16; and an output unit 50 which outputs the instrument information selected by the information selection unit 18.