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Ideal Weight Calculator

Calculate your ideal weight using multiple scientifically-backed formulas. Get personalized recommendations based on your height, gender, age, and body frame.

Ideal Weight Calculator
Enter your information to calculate your ideal weight range

Optional: Include your current weight for comparison and recommendations

Frame size affects ideal weight calculations

Ideal Weight Formulas

Hamwi Formula (1964)

Men: 48 kg + 2.7 kg per inch over 5 feet

Women: 45.5 kg + 2.2 kg per inch over 5 feet

Most commonly used formula in medical practice.

Devine Formula (1974)

Men: 50 kg + 2.3 kg per inch over 5 feet

Women: 45.5 kg + 2.3 kg per inch over 5 feet

Developed for medical dosing calculations.

Robinson Formula (1983)

Men: 52 kg + 1.9 kg per inch over 5 feet

Women: 49 kg + 1.7 kg per inch over 5 feet

Modified version of the Devine formula.

Miller Formula (1983)

Men: 56.2 kg + 1.41 kg per inch over 5 feet

Women: 53.1 kg + 1.36 kg per inch over 5 feet

Contemporary approach to ideal weight calculation.

Body Frame Adjustments

Small Frame-10% of calculated weight
Medium FrameNo adjustment
Large Frame+10% of calculated weight

Complete Your Health Assessment

Now that you know your ideal weight, explore our other health calculators to get a comprehensive view of your health and fitness goals.