Calculate your Basal Metabolic Rate (BMR) to estimate the minimum calories your body needs at rest to perform essential functions.
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Use this converter to convert to the units accepted by the BMI calculator.
Your BMI
The Body Mass Index (BMI) Calculator can be used to calculate your BMI and determine your weight status. Enter your height and weight above and click Calculate to see your result.
BMI (Body Mass Index) is a measurement that compares your weight with your height. It is commonly used to estimate whether an adult's weight falls within a lower, healthy, higher, or obesity range.
BMI is a useful starting point for understanding weight status, but it should not be considered a complete measure of health.
Learn more →BMI can provide a simple way to screen for possible weight-related health risks. A BMI outside the healthy range may indicate that additional health or lifestyle factors should be considered.
However, BMI does not tell you how much of your weight comes from muscle or body fat.
BMI Explained →Your BMI result is compared with standard adult BMI categories.
These categories are general guidelines for adults and should not be treated as a diagnosis.
BMI is calculated using only height and weight, so it cannot distinguish between muscle and body fat.
For example, someone with a high amount of muscle may have a higher BMI even when they have relatively low body fat.
BMI can also be less useful for certain groups, including highly muscular individuals, children, and teenagers.
BMI and body-fat percentage are not the same measurement.
Uses your height and weight to estimate weight status.
Estimates how much of your total body weight is made up of fat.
If you want to learn more about your body composition, try our Body Fat Calculator.
Calculate Body Fat →Find answers to common questions about BMI and BMI calculations.
BMI stands for Body Mass Index. It is a calculation based on your height and weight that provides a general indication of weight status.
For most adults, a BMI between 18.5 and 24.9 is generally classified as the healthy-weight range.
BMI is calculated by dividing your weight in kilograms by your height in metres squared.
No. BMI is based on height and weight, while body-fat percentage estimates the proportion of your body weight that is fat.
Yes. BMI cannot distinguish muscle from fat, so people with higher muscle mass may have a higher BMI.
A BMI Calculator provides an estimate based on height and weight. It is useful as a general screening tool but does not provide a complete assessment of health or body composition.
Yes. Changes in body weight can change your BMI. Your BMI may also change as your height increases during childhood and adolescence.
BMI compares your weight with your height.
Adult BMI is divided into general weight categories.
BMI is a screening tool, not a diagnosis.
BMI does not directly measure body fat.
Muscle mass can affect your BMI result.
Consider BMI alongside other health and body-composition measures.
Healthy habits are more important than focusing only on one number.
Don't judge your health based on BMI alone. Consider your activity level, nutrition, body composition, waist measurement, and overall health as well.
Two people can have the same BMI but very different body compositions. One person may have more muscle, while another may have more body fat.
If you are concerned about your weight, nutrition, body composition, or health, consider speaking with a qualified healthcare professional.
For children and teenagers, BMI should be interpreted using age- and sex-specific growth references rather than adult BMI categories.
This BMI Calculator provides general educational information and should not be used as a substitute for professional medical advice, diagnosis, or treatment.
Calculator results are estimates and may not fully reflect your individual health or body composition.