Easily calculate your BMI with our simple calculator - it supports metric and imperial units. See your health classification from ‘Severe Thinness’ to ‘Obese Class III’ with a handy BMI chart.
Why BMI Gets So Much Attention
Yes, BMI isn't perfect. It won't alert you to the fact that you're hiding a secret life as The Rock, all muscle and no body fat, but it's still the most widely used quick method of monitoring body composition. Doctors, health clubs, and even insurance companies love it.
How It Works (No Math Degree Required)
Enter your height and weight (in metric or imperial, yes, we know some of you are against centimetres), and the calculator instantly gives you your BMI score. Then it goes on to the thrilling bit - tagging you from "Severe Thinness" all the way up to "Obese Class III." Yes, it does sound over-the-top, because it is!
But Don't Panic
If you descend below outside "Normal," it is not a matter of morality. BMI is only part of the jigsaw of health, not the whole picture. As a starting point, not a conclusion.
Body Mass Index (BMI) Calculator
| Classification | BMI range (kg/m²) |
|---|---|
| Severe Thinness | < 16 |
| Moderate Thinness | 16 - 17 |
| Mild Thinness | 17 - 18.5 |
| Normal | 18.5 - 25 |
| Overweight | 25 - 30 |
| Obese Class I | 30 - 35 |
| Obese Class II | 35 - 40 |
| Obese Class III | > 40 |
Final Word
And there you have it, your BMI, nicely wrapped with a pretty little label. Use it to chart progress, wow your physician, or to fuel arguments in the locker room gym.
Got thoughts? Think BMI is outdated, unfair to rugby players, or secretly your enemy? Drop a comment below, we’d love to hear your take!
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