Lots of people don't realize the true importance of drinking enough water everyday and how it can impact both your health and your weight loss efforts. According to experts in a recent study, drinking just 2 cups of water, which is smaller than the size of a bottled soda, before meals helped dieters lose an extra five pounds yearly and help you maintain your weight loss. Additionally drinking the right amount of water daily can actually speed up your metabolic rate and help to curb overeating when your body confused hunger and thirst. But how much water is enough? Here is how to calculate how much water you should drink a day for both health and weight loss benefits.