Ideal Weight Calculator
Calculate Ideal Weight
History
About This Tool
What should you weigh? The answer isn't a single number, but a range. The Ideal Weight Calculator compares your height and frame against four popular medical formulas (Robinson, Miller, Devine, and Hamwi) to provide a comprehensive healthy weight estimate. Unlike simple charts, this multi-formula approach gives you a realistic target zone, accounting for slight variations in body frame and medical opinion. It serves as a great starting point for setting long-term health goals. Understanding your body metrics is the first step toward achieving your health and fitness goals. This calculator uses scientifically validated formulas endorsed by health organizations worldwide, ensuring accuracy you can trust. The results provide personalized insights that help you make informed decisions about your diet, exercise routine, and lifestyle choices. Whether you're trying to lose weight, build muscle, or simply maintain a healthy lifestyle, this tool gives you the data-driven guidance you need. It's perfect for fitness enthusiasts, athletes, nutritionists, and anyone committed to improving their health through measurable, evidence-based approaches. Our algorithms are optimized for performance, ensuring instant results even for complex calculations. We are committed to providing free, high-quality tools to help you be more productive.
How to Use This Tool
Input Stats
Enter your gender and height.
Calculate
See the ideal weight predictions from all 4 formulas.
Choose Goal
Use the average or range as your target.
Key Features
- Multi-Formula: Averages results from 4 major medical standards.
- Realistic Range: Provide a target zone rather than a single impossible number.
- Gender Specific: Adjusts calculations for male and female body compositions.
- Guidance: Helps prevent setting unhealthy or unrealistic weight goals.
Frequently Asked Questions
Why are there different formulas?
Different doctors developed different standard equations over the decades using population data. The Devine formula is most commonly used for medication dosing.
Does frame size matter?
Yes, these formulas assume a medium frame. If you have a large bone structure, your ideal weight might be 10% higher than calculated.