“Ideal weight” and “healthy BMI range” get used almost interchangeably in everyday conversation, but they come from different formulas, built for different purposes, and they don’t always agree. Understanding the difference clears up why an online calculator might give you a single number in one place and a range in another. Two Different Tools, Two … Read more
Long before BMI became the standard screening tool, clinicians used a handful of formulas to estimate a single “ideal body weight” figure — originally for calculating medication dosages, not as personal weight targets. Four formulas are still commonly referenced today. Here’s exactly how each one works, how they compare, and why they don’t always agree … Read more
Men’s healthy-weight charts get complicated by one thing more than women’s: muscle mass varies more widely between individual men, so the same height can carry a genuinely healthy weight across a wider span than a single number suggests. Here’s what a healthy range looks like, and why formulas built specifically for clinical use don’t always … Read more
There is no single number that is “ideal” for every woman at a given height. What health organisations actually publish is a healthy weight range, built from the body mass index (BMI) formula, alongside older sex-specific formulas that estimate one point estimate rather than a range. Here’s how each is calculated, what a healthy range … Read more
There is no single “ideal weight” — there is a healthy range, and it varies by height, sex, age, and body composition. This guide explains the four most widely used medical formulas for ideal body weight, provides reference charts for common heights, and explains why the number on the scale tells only part of the … Read more