The refillable drinking container for use with a water-dispensing system. The refillable drinking container for use with a water-dispensing system stores a fluid that is consumed as a beverage. The refillable drinking container for use with a water-dispensing system measures the stored fluid. The refillable drinking container for use with a water-dispensing system refills the fluid when the volume of the stored fluid falls below a previously determined level. The refillable drinking container for use with a water-dispensing system heats the stored fluid at a previously determined temperature.