The formulas give several reference points rather than one medically required weight.
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Ideal Weight Formula Calculator
See why a useful reference is better treated as a range than one perfect weight.
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Ideal weight formulas details
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Reference Weights Use the Devine, Robinson and Miller Equations Above 5 Feet; Healthy Range Uses BMI 18.5β22.9
View assumptionsFormula reviewCalcs at Hand Editorial TeamVerified 28 August 2026 Β· automated checks included
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Three useful checks, kept deliberately short.
A woman who is 165 cm tall: Convert height above five feet to inches Β· Apply three historical equations Β· Compare them with the Malaysian healthy-BMI range.
The Malaysian healthy-BMI interval is also a screening range and should be interpreted with individual context.
Formula and assumptions
Reference Weights Use the Devine, Robinson and Miller Equations Above 5 Feet; Healthy Range Uses BMI 18.5β22.9Historical ideal-weight equations were developed for clinical and actuarial uses and do not define an individual's best appearance, fitness or health.
Keep in mind: For adult reference only. Weight targets and clinical decisions should be discussed with a qualified health professional.
Official sourcesOrigin of ideal body-weight equations βRobinson ideal body-weight study βMalaysia MOH obesity guideline β
Produced byCalcs at Hand Editorial Team
Last formula check28 August 2026
Review methodKnown examples + boundary cases
Editorial and correction policy β