Discover Your Body
Mass Index
The BMI calculator is a helpful tool to gauge whether your weight falls within a healthy range for your height. It's not about perfection. It's about awareness.
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BMI is not the whole picture of your health. If you have any concerns you should review the information with a medical professional. See the resources section for useful links and information.
Why BMI Isn't the Whole Picture
While BMI is a useful screening tool, it has limitations. It doesn't differentiate between weight from fat and muscle. Therefore, individuals with high muscle mass, like athletes, may have a high BMI but low body fat. Additionally, BMI doesn't consider factors such as age, sex, ethnicity, or body composition.
BMI is also not suitable for everyone. It's not applicable to children, pregnant women, or those with certain health conditions. For a more comprehensive assessment of health, other measurements like waist circumference or waist-to-height ratio can provide additional insights into body fat distribution and associated health risks.
Understanding Your BMI Score
Your Body Mass Index (BMI) is a numerical value derived from your weight and height, providing an estimate of your body fat. It's a widely used tool to categorize weight status and assess potential health risks.
For most adults, BMI categories are as follows:
- Below 18.5 = Underweight
- Between 18.5 - 24.9 = Healthy Weight
- Between 25 - 29.9 = Overweight
- Over 30 = Obese
These categories help identify potential health concerns. For instance, a higher BMI can increase the risk of conditions like type 2 diabetes and heart disease. Conversely, being underweight may indicate nutritional deficiencies or other health issues. It's important to note that BMI is a general guide and doesn't account for all individual differences.
Further Reading & Trusted Resources
If you’d like to dive deeper into understanding BMI, how it's used in healthcare, or explore additional tools, the following trusted resources provide expert information. These sites offer a range of calculators, health advice, and guidance used by medical professionals and the public alike.
Patient.info BMI Calculator
A detailed tool and explanation designed for healthcare professionals, offering insights into how BMI is calculated and applied in clinical settings.
British Heart Foundation BMI Tool
An easy-to-use calculator from the BHF that helps you understand your BMI and its implications for heart health.
👉 Use the BHF BMI Tool
NHS BMI Assessment Tool
Official UK health guidance from the NHS, including BMI calculators and additional health assessments tailored for adults.