Ideal Body Weight (IBW) Calculator

Ideal Body Weight (IBW) Calculator

Ideal Body Weight (IBW) Calculator

📌 What is Ideal Body Weight?

Ideal Body Weight (IBW) is an estimate of a healthy weight based on your height and gender. It helps in evaluating whether you’re underweight, overweight, or at an optimal weight for health and fitness goals.

🧠 IBW Formulas Explained

  • Devine Formula: Used for drug dosing. 50 kg + 2.3 kg per inch over 5 ft (males), 45.5 kg + 2.3 kg per inch over 5 ft (females).
  • Robinson Formula: A modern update. 52 kg + 1.9 kg/inch (males), 49 kg + 1.7 kg/inch (females).
  • Miller Formula: Focused on body type. 56.2 kg + 1.41 kg/inch (males), 53.1 kg + 1.36 kg/inch (females).
  • Hamwi Formula: Clinical standard. 48 kg + 2.7 kg/inch (males), 45.5 kg + 2.2 kg/inch (females).

💡 Why Knowing Your IBW Matters

Understanding your IBW helps tailor your fitness and nutrition plans. It can guide weight loss or muscle gain goals, assess health risks, and help doctors adjust medication dosages appropriately.

🙋 Frequently Asked Questions

What is the most accurate IBW formula?

Each formula has its use. Devine is often used clinically, but Robinson and Miller are more modern. Use them comparatively.

Is IBW the same as BMI?

No. IBW is based on height and gender; BMI is weight-to-height ratio and includes body composition considerations.

Can IBW be used for children?

No. These formulas are intended for adults aged 18 years and above.

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