Free ideal weight calculator using multiple scientific formulas. Find your healthy weight range based on height, gender, and body frame.
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What's a healthy weight for your height? Our calculator uses four scientifically-backed formulas to give you a comprehensive range, helping you set realistic health and fitness goals.
Ideal weight calculations use different formulas developed by researchers over decades. The Devine, Robinson, Miller, and Hamwi formulas each have slightly different approaches, giving you a healthy weight range rather than a single number. This range accounts for individual variation in body composition.
Devine Formula
Men: 50 + 2.3 × (height in inches - 60)Compare results from 4 different scientific formulas.
Set weight targets based on science.
Use as a starting point for health discussions.
Set realistic weight targets.
Information to discuss with your doctor.
Base for calculating calorie needs.
Compare your current weight with ideal ranges.
Each formula was developed at different times using different study populations. The range they provide together gives you a healthy target zone rather than an exact number, which is more realistic for human variation.