What Is a Healthy Weight for Your Height?
There is no single perfect weight for a given height — there is a healthy range. Health authorities usually define it using Body Mass Index, with a band of weights for each height that is associated with lower health risk. The goal is to land somewhere in that range and feel well, not to hit one exact figure.
How the range is worked out
BMI is your weight in kilograms divided by your height in metres squared. A BMI between 18.5 and 24.9 is generally classed as the healthy range. Reversing that for a given height gives a span of weights — for example, someone 170 cm tall has a healthy range of roughly 53 to 72 kg. The width of that band is the point: many weights can be healthy.
Why it is a range, not a number
- Bodies differ in frame size, muscle and bone density, so the healthy weight for two people of the same height can differ by several kilograms.
- Where you feel strong, energetic and well within the range matters more than the exact midpoint.
- Small fluctuations from water, food and time of day are normal and not weight change.
Where BMI falls short
BMI does not know the difference between muscle and fat, so it can mislabel very muscular people as overweight and can miss excess fat in others. It also was not designed around all body types and ethnicities equally. Use it as a useful first screen, then look at measurements like your waist, how your clothes fit, and how you feel.
Is the middle of the range best?
Not necessarily. Anywhere within the healthy range is considered low-risk. Rather than chasing the midpoint, aim for the part of the range where you have good energy, strength and blood markers, which is individual.
What if I am just outside the range?
Being slightly outside the band is not an emergency, and overall habits — activity, diet quality, sleep, not smoking — affect health more than a few kilograms. If you want to move within the range, do it gradually and sustainably.
The bottom line
A healthy weight is a range, not a target number, derived from a BMI of 18.5 to 24.9 for your height — and BMI is a starting screen, not the whole story. Find your range, then judge health by how you feel and broader measures, not one figure on the scale. Our free calculator shows your range in seconds.