how much water should i drink a day, The recommended daily water intake varies, but a general guideline is to consume about eight 8-ounce glasses of water a day, often referred to as the "8x8" rule, totaling around 2 liters (64 ounces). However, individual needs differ based on factors like age, activity level, climate, and health conditions. Some experts suggest following your body's thirst signals as a more accurate indicator. It's crucial to stay adequately hydrated to support bodily functions, but excessive water intake can also be harmful, so balance is key.