Electrolyte Calculator -

⚡ Free Electrolyte Calculator

Estimate your daily electrolyte needs based on your body weight, activity level, exercise duration, and climate.

Enter Your Information

Please enter valid information in all required fields.

Body Weight

Gender

👨 Male 👩 Female

Activity Level

🪑
Sedentary 🚶
Light 🏃
Moderate 🏋️
High

Exercise Duration

Climate Hot and humid conditions can increase sweat and electrolyte losses during exercise.

Your Electrolyte Recommendation

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estimated sodium target per day

Sodium —

Potassium —

Magnesium —

Exercise Time —

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Sodium

—

🍌

Potassium

—

⚡

Magnesium

—

Hydration Category

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Estimated Sodium Need —

Enter your information to estimate your electrolyte needs.

This calculator provides general educational estimates and is not a substitute for medical advice. Electrolyte requirements vary widely depending on sweat rate, exercise intensity, diet, medications, medical conditions, and environmental conditions. People with kidney, heart, or other medical conditions should consult a healthcare professional before changing electrolyte intake.

ELECTROLYTE CALCULATOR QUICK GUIDE

How to Use the Electrolyte Calculator

Use the Electrolyte Calculator to estimate your daily electrolyte needs based on your personal information, activity level, and exercise or hydration demands.

Enter Your Personal Details

Enter the information requested by the calculator, such as your body weight and other relevant personal details.

Select Your Activity Level

Choose the activity or exercise level that best matches your typical routine. Higher activity and sweating can increase electrolyte losses.

Enter Exercise Information

If available, enter details such as workout duration or exercise intensity to make the estimate more relevant to your routine.

Calculate Your Electrolyte Needs

Click the calculate button to generate your estimated electrolyte requirements and review the results provided by the calculator.

Common Factors

Body Weight Activity Level Exercise Duration Hydration Sweat Loss

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Understand Your Result

Your result is an estimate intended to help you plan hydration and electrolyte intake around your daily activity. Individual needs can vary depending on exercise duration, climate, sweat rate, diet, and other factors.

WANT TO LEARN MORE?

Learn More About Electrolyte Needs

Read the complete guide to learn how electrolyte needs are estimated, how to interpret your result, and which factors can affect hydration and electrolyte requirements.

Read the Complete Electrolyte Calculator Guide →

Quick Tip: For longer or more intense workouts, especially in hot conditions, pay closer attention to fluid and electrolyte losses rather than relying on a fixed amount for everyone.

Important: This calculator provides an educational estimate and is not a substitute for individualized medical or nutrition advice. Electrolyte requirements vary between individuals and may be affected by health conditions, medications, climate, diet, and exercise.