BMI & Body Fat Calculator

Calculate your Body Mass Index and body fat percentage to understand your health metrics

BMI Calculator

What is BMI?

Body Mass Index (BMI) is a measure of body fat based on height and weight. It's a screening tool that can indicate whether you're underweight, at a healthy weight, overweight, or obese.

Underweight

BMI < 18.5

Normal

18.5 - 24.9

Overweight

25 - 29.9

Obese

BMI ≥ 30

Body Fat Calculator

What is Body Fat Percentage?

Body fat percentage is the proportion of fat to total body weight. This calculator uses the U.S. Navy method, which estimates body fat based on circumference measurements.

Medical Disclaimer

This calculator is not a diagnostic tool and should not replace professional medical advice. BMI and body fat calculations are estimates and may not be accurate for athletes, elderly individuals, or people with certain medical conditions. If you have concerns about your weight or health, please consult with a qualified healthcare provider.

By JV Kit Team
Last updated: February 01, 2026