The present invention relates to dispensers of fluids such as liquids, powders or particulate solids and in particular, relates to apparatus to quickly, hygienically and accurately dispense predetermined measures of fluid products into a vessel according to the capacity of the vessel. In the preferred embodiment of the invention there is provided a fluid portion dispenser comprising at least one fluid reservoir, one or more nozzles, each of which being fixed to a work surface and having a nozzle outlet configured to dispense fluid from and a pump unit, connecting each reservoir to a nozzle and configured to pump fluid from each reservoir to a nozzle wherein each nozzle includes an activation mechanism, adapted to identify the capacity of a vessel in association with a nozzle outlet and activate the pump unit to dispense a portion of fluid from the nozzle outlet according to the capacity of the vessel identified.