Hydration Needs Calculator Hydration Needs Calculator Age (years) Gender Male Female Weight (kg) Height (cm) Physical Activity Level (PAL) Sedentary (PAL 1.2) Lightly Active (PAL 1.375) Moderately Active (PAL 1.55) Very Active (PAL 1.725) Extra Active (PAL 1.9) Current Daily Calorie Intake Calculate Hydration Needs
