The scale is fickle: We lose weight when we pee or when we do a sweaty workout. We gain weight when we eat or drink or put on a sweater. But how much does that kind of fluctuation really impact the numbers we see? I weighed myself 15 times in one day to find out.

If there is one kitchen tool that can improve the quality and consistency of your cooking, it's the digital scale. Unlike measuring things by volume, weighing out your ingredients eliminates any doubt you may have about whether you're "doing it right."