Drinking eight glasses of water a day – or about two litres – is actually more than our bodies need to stay hydrated, according to the latest research. Instead, you should drink between 1.5 and... Water intake based on weight : हर इंसान की जरूरत अलग होती है. एक ही फार्मूला सभी पर लागू नहीं होता. मौसम, काम का तरीका, पसीना आना, शारीरिक मेहनत - ये सब तय करते हैं कि कितनी मात्रा में पानी चाहिए. How much water should you drink each day? It's a simple question with no easy answer. Studies have produced varying recommendations over the years. But your individual water needs depend on many factors, including your health, how active you are and where you live. No single formula fits everyone. Find out how much water you need to drink per day based on your age, gender, height, weight, activity level and pregnancy status. Use the science-based hydration calculator to estimate your total water intake and fluid intake in different units and adjust for climate and sweating.