Free Water Intake Calculator
Find how much water you should drink per day based on your weight and activity. Get your target in ounces, cups, and liters. Free, instant, no signup.
Why hydration helps with weight loss
Staying hydrated supports your metabolism, and a glass of water before meals can blunt appetite — thirst is often mistaken for hunger. It's one of the simplest habits to build alongside tracking what you eat.
Track water and food in one place
MyDietJourney logs your daily water alongside your meals, weight, and exercise, so your whole day is in one view. Photograph a meal to log calories, tap to log a glass of water.
Skip the math entirely
Snap a photo of your meal and MyDietJourney's AI counts the calories and macros for you — in about 2 seconds. 7-day free trial.