BMI (Body Mass Index) is a numerical value of your weight in relation to your height.

How accurate is the BMI calculator?

The calculator uses the standard BMI formula and is accurate for adults.

Is BMI a diagnostic tool?

BMI is a screening measure, not a diagnostic tool.

BMI Calculator – Body Mass Index Tool

BMI Calculator

This calculator uses the standard Body-Mass-Index formula: weight (kg) / [height (m)]².

Understanding BMI

Definition of BMI

BMI stands for Body Mass Index, a measure that relates body weight to height. It is widely used to categorize individuals based on body fatness.

BMI is calculated by dividing weight in kilograms by the square of height in meters. The resulting number places you in a health category.

Why BMI Matters

Knowing your BMI helps you understand whether you are underweight, within a healthy range, overweight, or obese.

Health professionals use BMI as a quick screening tool to identify potential weight-related health risks.

How to Use the BMI Calculator

Entering Your Details

Start by typing your current weight in kilograms into the first field. Use decimals for greater precision.

Next, add your height in centimeters. The calculator converts this to meters internally to compute the index.

Getting Instant Results

Press the “Calculate BMI” button. Your BMI value appears immediately, along with its corresponding weight category.

You can update either field and press Calculate again to receive a fresh result, making goal tracking simple.

Interpreting Your Results

BMI Categories

Under 18.5 is considered underweight. Between 18.5 and 24.9 is a normal, healthy range.

Values from 25 to 29.9 indicate overweight status, while 30 and above falls into the obesity category.

Limitations of BMI

BMI does not distinguish between muscle and fat mass. Athletes may have high BMI but low body fat.

Factors such as age, sex, and ethnic background can influence how BMI relates to health outcomes.

Tips for Maintaining a Healthy BMI

Nutrition Guidelines

Focus on eating a balanced diet rich in fruits, vegetables, lean proteins, and whole grains. Limit added sugars and saturated fats.

Staying hydrated and practicing mindful eating can help regulate calorie intake effectively.

Physical Activity

Aim for at least 150 minutes of moderate-intensity exercise each week, such as brisk walking or cycling.

Incorporate strength training twice weekly to build muscle, which boosts metabolic rate and supports healthy weight.