A fluidic oscillator can include a fluid switch, at least two fluid paths from the fluid switch, and a sensor which measures a frequency of fluctuations in flow through the fluidic oscillator. A method of measuring a flow rate of a fluid can include flowing the fluid through a fluidic oscillator, a majority of the fluid flowing alternately via at least two fluid paths from a fluid switch of the fluidic oscillator, and a sensor detecting a frequency of the flow alternating between the fluid paths. Another fluidic oscillator can include a fluid input, at least two fluid paths from the fluid input to respective fluid outputs, whereby a majority of fluid which flows through the fluidic oscillator flows alternately via the fluid paths, and a sensor which detects pressure fluctuations due to the flow alternating between the fluid paths.