How much water should i drink to lose weight? For effective weight loss, determining the right amount of water intake is crucial. Hydration aids metabolism and suppresses appetite, leading to fewer calorie intake. Generally, aiming for 8-10 glasses (64-80 ounces) of water daily is recommended. However, individual needs vary based on factors like weight, activity level, and climate. Consulting a healthcare professional or nutritionist can help tailor a hydration plan suited to your weight loss goals and lifestyle.