Ideal Weight Calculator
Enter your height and sex to see your ideal weight range from three validated formulas (Devine, Robinson, Miller) in both lbs and kg.
Ideal body weight (IBW) formulas give a reference range based on height and sex. This calculator runs three widely-cited formulas — Devine (1974, used in drug dosing), Robinson (1983), and Miller (1983) — and shows you the range and average. Note: IBW is not a personal health goal; it's a clinical reference range. Your actual healthy weight depends on muscle mass, bone density, and individual health markers.
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Last reviewed: April 2026Report an error
Ideal Weight Range
155–161 lbs
For a male at 5′10″, ideal weight ranges from 155–161 lbs (70.3–73 kg) across three validated formulas.
Devine Formula
161 lbs (73 kg)
Robinson Formula
157 lbs (71 kg)
Miller Formula
155 lbs (70.3 kg)
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How to Use This Ideal Weight Calculator
- Select your biological sex.
- Enter your height in feet/inches or centimeters.
- Read the ideal weight from each formula and the average.
- Use the range (lowest to highest formula result) as a rough reference — not a strict target.
- Discuss personal weight goals with your healthcare provider.
Frequently Asked Questions
- No single formula is best for all people. The Devine formula is most commonly used in clinical drug dosing. Robinson and Miller were developed as refinements. The average of all three provides a reasonable reference range.
- These formulas were developed as quick clinical tools, not precision fitness targets. They don't account for muscle mass, age, or bone density. A muscular athlete may be "above" ideal weight by these formulas yet be perfectly healthy.
- BMI-based healthy weight (18.5–24.9) gives a range; IBW formulas give a single number. Both are rough estimates. IBW is used more in pharmacology (medication dosing), while BMI is used more in population health.
- No — these formulas are validated for adults. Pediatric weight assessment uses age- and sex-specific growth charts from the CDC or WHO.
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