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Health Calculators

Ideal Weight Calculator

Ideal body weight by the Devine, Robinson, Miller and Hamwi formulas, plus the healthy BMI range for your height.

Enter values

Results update as you type.

Result

Ideal weight (Devine)

70.5 kg

Robinson
68.9 kg
Miller
68.7 kg
Hamwi
72 kg
Healthy BMI range
56.7–76.3 kg

Educational estimate only — not medical advice. Talk to a healthcare professional about your individual situation.

About the Ideal Weight Calculator

Ideal body weight by the Devine, Robinson, Miller and Hamwi formulas, plus the healthy BMI range for your height.

Also known as: ibw calculator, healthy weight for height, ideal body weight, how much should i weigh.

How to use this calculator

  1. Enter units, sex and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Devine: 50 kg (male) / 45.5 kg (female) + 2.3 kg per inch over 5 ft

Worked example

Using the values pre-filled in the calculator above:

  • Units: Metric (kg, cm)
  • Height = 175 cm
  • Sex: Male

the calculator returns:

  • Ideal weight (Devine): 70.5 kg
  • Robinson: 68.9 kg
  • Miller: 68.7 kg
  • Hamwi: 72 kg