Water Intake Calculator
Calculate daily recommended hydration based on body weight and activity
How Does It Work?
Free daily water intake calculator. Find out how many liters and glasses of water you should drink daily based on body weight, workout time, and weather climate.
Adjusted with climate factor multiplier (hot, temperate, or cold environments).
Related Guides & Calculation Deep Dives
All guidesHow Many Calories Should You Eat a Day?
Your daily calorie needs depend on your Basal Metabolic Rate (BMR) and activity level (TDEE). An average sedentary 30-year-old male weighing 75 kg needs roughly 2,150 calories to maintain weight, while an average female weighing 60 kg needs roughly 1,750 calories. For fat loss, a moderate deficit of 400 to 500 calories per day is optimal.
How Much Water Should You Drink Daily?
A standard baseline for daily water intake is roughly 35 ml per kilogram of body weight. An individual weighing 70 kg requires approximately 2.45 liters of water daily, with extra intake needed for hot climates and physical workouts.
Water Intake FAQs
Common questions, calculation formulas, and usage rules.
A general baseline is 35 ml per kilogram of body weight, increasing with exercise and heat.