Calculate your electrolyte needs for sodium, potassium, and magnesium based on exercise and sweat loss.
Enter your values below
How this calculator works
Calculates sodium (500-700 mg/L sweat), potassium (150-300 mg/L sweat), and magnesium (10-30 mg/L sweat) needs. Adjusts for exercise duration, intensity, and individual sweat composition.
Common questions about this calculator
Hydration needs vary based on health conditions, medications, and activity levels. Consult a healthcare provider if you have fluid restriction requirements.
