BMI Calculator

Calculate your Body Mass Index using weight in kilograms and height in feet/inches with instant results and health category analysis.

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About This Tool

This online BMI calculator allows you to calculate your Body Mass Index using weight in kilograms and height in feet and inches. Simply enter your weight and height, and get instant BMI calculation with WHO-standard category classification (Underweight, Normal, Overweight, Obese). The tool provides detailed health insights and recommendations based on your BMI result.

Save your calculation history with a free account

How to Use

Enter your weight in kilograms (kg)
Enter your height in feet and inches
Click the 'Calculate BMI' button
View your BMI result with category classification
See health recommendations based on your BMI

Frequently Asked Questions

Find Quick Answers

What is BMI and why is it important?

BMI (Body Mass Index) is a measure of body fat based on your weight in relation to your height. It's a simple screening tool that helps identify potential weight problems that may lead to health issues.

How accurate is this BMI calculator?

This calculator uses the standard BMI formula (weight in kg / height in meters squared) with accurate conversion from feet/inches to meters. It follows WHO classification standards for BMI categories.

What do the different BMI categories mean?

Underweight (BMI < 18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obese (30 or higher). These categories help assess health risks associated with body weight.

Can I use this calculator for children?

This calculator is designed for adults (18+ years). BMI calculation for children and teens uses different percentile charts and should be interpreted by healthcare professionals.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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