Calculate your ideal body weight range using multiple methods.
This ideal weight calculator estimates a healthy weight range for your height, using established formulas and adjusting for biological sex and body frame. It gives a target range rather than a single number, since healthy weight varies between people.
This is general information only, not medical advice. Ideal weight formulas don't account for muscle mass or body composition, so very muscular people may sit above the range while still being healthy. Talk to your GP for personalised guidance.
It helps to know where these numbers come from. The formulas behind ideal weight calculators (such as Devine, Robinson and Miller) were originally developed for medical dosing, not aesthetics — they estimate a reference weight from height and sex. That history explains both their usefulness and their limits: they are consistent and evidence-based, but they were never designed to judge how anyone should look, and they know nothing about your age, training history or build beyond the frame adjustment.
The healthiest way to read the result is as a wide target zone, not a pass/fail line. If you sit outside the range, trends matter more than snapshots: a stable weight with good energy, strength and regular activity says more about health than any single number on this page. Measurements like waist circumference and how your clothes fit over months are often more informative than chasing a formula's midpoint — and any significant weight change plan is worth a conversation with your GP first.
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