Ideal Weight Calculator

Calculate your ideal weight by height and frame size using the Devine formula.
Height Unit
ft
in
Sex
Frame Size
lbs

Ideal Weight

160.9 lbs

Ideal Weight

73.0 kg

Weight Details

Ideal Weight (Devine Formula)160.9 lbs / 73.0 kg
Frame Adjustment (medium)None
Healthy BMI Range (lbs)129 - 174 lbs
Healthy BMI Range (kg)58 - 79 kg

Use the Ideal Weight Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Ideal Weight Calculator, powered by the Devine formula, helps you determine a healthy weight range based on your height and frame size. Understanding your ideal weight is crucial for preventing chronic diseases like type 2 diabetes and heart disease, which are projected to affect over 15% of the global population by 2026 if current trends continue. This tool provides a personalized benchmark for optimizing your health and well-being.

The Devine formula, originally developed for medication dosage calculations, has been adapted to estimate ideal body weight (IBW). For men, the formula is 50 kg + 2.3 kg for each inch over 5 feet, and for women, it's 45.5 kg + 2.3 kg for each inch over 5 feet. We further refine this by adjusting up or down by 10% for large or small frame sizes, respectively, providing a more nuanced and accurate Ideal Weight range.

Remember, ideal weight is a guideline, not a strict target; individual body composition and muscle mass can influence these numbers. Many people mistakenly focus solely on the number on the scale, neglecting factors like body fat percentage and overall fitness. Always consult a healthcare professional for personalized advice, as this calculator should not replace medical guidance.

Example: Calculating Ideal Weight for a 5'8" Woman with a Medium Frame

  1. 1 Input: Height = 5 feet 8 inches, Gender = Female, Frame Size = Medium.
  2. 2 Calculation: For a 5'8" woman, the initial Devine formula calculation is 45.5 kg + (2.3 kg * 8 inches) = 45.5 kg + 18.4 kg = 63.9 kg. Since the frame size is medium, no further adjustment is made.
  3. 3 Result: Her ideal weight is approximately 63.9 kg (140.9 lbs).
  4. 4 Context: This ideal weight represents a healthy benchmark. For a large frame, the result would be 10% higher (around 70.3 kg), and for a small frame, 10% lower (around 57.5 kg), illustrating the impact of frame size on the ideal range.

Source: CDC · Last updated: April 2026

Frequently Asked Questions

How do I calculate my ideal weight?
The Devine formula estimates ideal body weight as 110 pounds plus 5.06 pounds per inch over 5 feet for men, or 100 pounds plus 5.06 pounds per inch over 5 feet for women. A 5 foot 10 man would be about 160.6 pounds.
How accurate are ideal weight calculators?
Ideal weight formulas are rough estimates that do not account for muscle mass, bone density, or body composition. A muscular athlete may weigh more than the "ideal" while being very healthy. Use BMI and body fat percentage for a more complete picture.
What is a healthy weight for my height?
A healthy BMI range (18.5-24.9) provides a weight range. For a 5 foot 8 person, healthy weight is about 125-163 pounds. Talk to your doctor for personalized advice accounting for your build, age, and health history.

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