BMI Calculator
Calculate your Body Mass Index (BMI) online using our free BMI Calculator. Instantly check if you are underweight, normal, overweight, or obese.
Gender
Age
Weight
Height
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What is BMI Calculator?
BMI Calculator is a free online tool that helps you calculate your Body Mass Index (BMI) using your height and weight. It allows you to determine whether you are underweight, normal weight, overweight, or obese.
Body Mass Index (BMI) is a widely used health indicator that provides a general assessment of body fat and potential health risks related to weight.
This BMI Calculator is ideal for health awareness, fitness tracking, and personal wellness monitoring without storing any personal data.
How to Use BMI Calculator
Calculating your BMI is quick and easy. Follow these simple steps:
- 1.Gender – Select your gender for more personalized BMI results.
- 2.Age – Enter your age to ensure accurate BMI assessment.
- 3.Weight – Input your weight in kilograms or pounds.
- 4.Height – Provide your height in centimeters or feet/inches.
- 5.Calculate BMI – Click the calculate button to get your BMI instantly.
- 6.View Results – See your BMI value along with the corresponding health category.

Why Use BMI Calculator?
BMI Calculator helps you understand your weight status and make better health decisions:
- Instantly calculate your Body Mass Index.
- Identify underweight, normal, overweight, or obese categories.
- No signup, no tracking, and complete privacy.
- Useful for fitness planning and health awareness.
- Free, fast, and mobile-friendly BMI calculator.
Frequently Asked Questions
Find answers to common questions about calculating BMI, understanding your results, and using the BMI calculator accurately.
A BMI (Body Mass Index) Calculator is a tool that helps you measure your body fat based on your height and weight to understand whether you are underweight, normal, overweight, or obese.
BMI is calculated using the formula: weight (kg) divided by height (m²). The calculator automatically applies this formula and shows your BMI result instantly.
BMI provides a general health estimate for most adults. However, it may not be fully accurate for athletes, pregnant women, or people with high muscle mass.
No account or registration is required. The BMI Calculator is completely free and works directly in your browser.
Yes, the BMI Calculator is fully responsive and works smoothly on mobile phones, tablets, and desktops.
No, your height and weight data are not stored or shared. All calculations happen instantly and privately in your browser.