Calculate how much water you should drink daily based on your body weight, activity level, and climate. Especially important for India's hot and humid climate.
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Water Intake Formula
Base Water (ml) = Weight (kg) × 35 Adjusted = Base × Activity Factor × Climate Factor
70kg, moderate activity, hot climate: Base = 70 × 35 = 2,450 ml Adjusted = 2,450 × 1.2 × 1.15 = 3,381 ml (≈3.4 litres)
Frequently Asked Questions
In India's hot climate, adults should drink 3–4 litres of water daily, more during summer months. The exact amount depends on body weight, activity level, and humidity. Use our calculator for a personalised estimate.