Which ideal weight formula is most accurate?

No single formula is universally 'most accurate.' The Devine formula is the most widely used in clinical settings. The Robinson formula tends to give lower estimates, while Miller gives higher ones. The range across all four formulas is more useful than any single result — if your weight falls within that range, you're likely in a healthy zone.

Does this account for muscle mass and body frame?

These formulas are based on height and sex only, not body frame or muscle mass. A muscular person with a large frame may weigh more than the ideal weight and be perfectly healthy. For a more complete assessment, use the body fat percentage calculator alongside this tool.

What is the difference between ideal weight and BMI?

Ideal weight formulas give a specific target weight based on height. BMI is a ratio of weight to height squared that classifies you into categories (underweight, normal, overweight, obese). The BMI healthy weight range (18.5-24.9) is broader than the ideal weight range and accounts for more variation in body composition.

Can I use this for children or teenagers?

No. These formulas are designed for adults and are not appropriate for children or teens, whose ideal weight depends on age and developmental stage. For pediatric weight assessment, consult a pediatrician or use CDC growth charts.

What if my current weight is outside the ideal range?

Being slightly outside the ideal range isn't necessarily unhealthy. The range is a guideline, not a diagnosis. If you're significantly outside the range, consider consulting a healthcare provider for a comprehensive assessment that includes body composition, blood work, and lifestyle factors.

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Ideal Weight Calculator

An ideal weight calculator estimates a healthy weight range based on height and sex using four medical formulas (Devine, Robinson, Miller, Hamwi) and the BMI healthy range. Enter your height to see your ideal weight estimates from multiple perspectives.

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What is Ideal Weight Calculator?

An ideal weight calculator is a browser-based tool that computes healthy weight ranges from established medical formulas, providing multiple estimates based on height and sex alongside the BMI-based healthy weight range.

Complementary Tools

These tools work great alongside Ideal Weight Calculator:

BMI Calculator Calorie Calculator

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There's no single 'ideal' weight — different formulas give different answers, and body composition matters more than any number on the scale. This calculator gives you the full picture: four medical formula estimates plus the BMI healthy range, so you can set realistic goals based on a range rather than a single target. Use it as a starting point, not an endpoint.

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