Ideal Weight Calculator

Which formulas are used?

This free calculator reports the two most common ideal weight formulas. Devine gives 50 + 2.3 × (height in inches - 60) for men and 45.5 + 2.3 × (height in inches - 60) for women. Robinson gives 52 + 1.9 × (...) for men and 49 + 1.7 × (...) for women. It also shows the healthy range for a BMI between 18.5 and 24.9.

How to use

• Select your sex and enter your height in centimeters.
• Optional: enter your current weight to compare it with the healthy range.
• Read the Devine and Robinson ideal weight values.
• See the healthy BMI weight range and a color hint for your position in it.

FAQ

• Which ideal weight should I trust? The formulas were built for height-based estimates on adult populations, so small differences between them are normal. The healthy BMI range is often the better practical target because it acknowledges a span of healthy weights.
• Why do men and women get different values? On average women have less lean mass and more essential body fat at the same height, so both formulas start from a lower base for women (45.5-49 kg instead of 50-52 kg) and the Robinson slope is smaller.
• What is the healthy BMI range? A BMI between 18.5 and 24.9 is considered normal weight by the WHO. The calculator converts that BMI range to a weight range in kilograms based on your height.