How do I calculate BMI using kg and feet?

Enter weight in kilograms and height in feet. Convert feet to meters (feet × 0.3048). BMI = weight (kg) ÷ (height in meters)².

What are the BMI categories?

Under 18.5 = Underweight; 18.5–24.9 = Normal weight; 25–29.9 = Overweight; 30 and above = Obese.

Is BMI accurate for everyone?

BMI is a screening tool and does not account for muscle mass or body composition. Use it as a general guideline and consult a healthcare professional for personalized assessment.

How do I calculate BMI using kg and feet?

Enter weight in kilograms and height in feet. Convert feet to meters (feet × 0.3048). BMI = weight (kg) ÷ (height in meters)².

What are the BMI categories?

Under 18.5 = Underweight; 18.5–24.9 = Normal weight; 25–29.9 = Overweight; 30 and above = Obese.

Is BMI accurate for everyone?

BMI is a screening tool and does not account for muscle mass or body composition. Use it as a general guideline and consult a healthcare professional for personalized assessment.

How often should I check my BMI?

Check BMI every few months or during routine health check-ups, especially if you are making lifestyle changes.

What should I do if my BMI shows overweight or obese?

If your BMI is in the overweight or obese range, consider consulting a healthcare professional for personalized advice on diet, physical activity, and health screening.

Tools / BMI Calculator

BMI Calculator

Free Online Body Mass Index Tool

The BMI Calculator is a free online tool that helps you quickly check your Body Mass Index to know whether you are underweight, normal, overweight, or obese. By entering your height and weight, you can instantly find out your BMI score and understand your health category. This calculator is perfect for anyone who wants to track fitness goals, plan diets, or monitor overall health. Although BMI is a useful guideline, it should be combined with other tools like a BMR Calculator or Body Fat Percentage Calculator for a more complete picture of your health.

Calculate your BMI

Enter your details below and click Calculate.

Weight (kilograms) Height (feet)

Tip: Enter height in feet as a decimal (e.g., 5.7 ≈ 5 ft 8 in). This calculator converts feet to meters automatically.

Free tool Pixelizes

BMI Categories

BMI Range	Category	Health Risk
Below 18.5	Underweight	Nutritional deficiencies, low immunity
18.5 – 24.9	Normal & Healthy	Lowest risk
25 – 29.9	Overweight	Increased risk of diabetes & heart disease
30 and above	Obese	High risk of chronic illnesses

Example BMI Values

BMI 18.4 → Underweight
BMI 22.0 → Normal & Healthy
BMI 27.5 → Overweight
BMI 32.0 → Obese.

Quick FAQs

Is BMI always accurate?

Not always. BMI does not distinguish between muscle and fat. Athletes may have a high BMI due to muscle mass. Use BMI as a guideline and consider body-fat measurements for a fuller picture.

What is a healthy BMI range?

For most adults, a BMI between 18.5 and 24.9 is considered healthy.

When should I consult a doctor?

If your BMI is outside the healthy range or you have health concerns or symptoms, consult a healthcare professional for a full assessment.