Ideal Weight Calculator

Results come from published adult formulas (Devine, Robinson, Miller, Hamwi). They are reference estimates — not prescribed medical targets. Classic equations require height of at least 5 ft (152.4 cm). Muscle mass, age, pregnancy, and ethnicity are not modeled.

DoseFirst BMI & Weight tools provide general educational estimates only. They are not medical advice, diagnosis, or treatment. Talk with a qualified clinician before making health decisions.

Ideal body weight (IBW) equations were historically developed for adult dosing and anthropometric reference — not as personalized wellness prescriptions. This calculator shows commonly cited formulas so you can see how estimates differ.