I don't see any reason why you couldn't. Does it have a tare feature so you can zero out the container you are weighing? As long as it is accurate, there is no reason you should need to get a new scale.
Goal #1 – 204 -10% lost Met 4/26/10
Goal #2 –199-Onederland
Goal #3 –185 Overweight
Goal #4 –177–50 lbs lost
Goal #6 – 140- Final goal!