Daily Water Intake Calculator | Personalized Hydration Guide

Discover how much water your body really needs each day based on your weight, exercise habits, and personal inputs. This tool provides a personalized daily hydration goal, lets you input your current intake to track progress, and explains the science behind hydration. Compare your result on a visual scale and get tips from trusted health sources like Mayo Clinic, CDC, and WHO.

Water Intake Calculator

Guidelines:
• Base Water Need = weight (kg) × 0.033 L/day
• Exercise Bonus = 0.35 L per 30 min

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