Body Fat Calculator

Use our free Body Fat Calculator to estimate your body fat percentage using body measurements. This calculator is helpful for fitness tracking, weight loss goals, and health awareness.

Body Fat Calculator

Estimate body fat percentage using body measurements.

How the Body Fat Calculator Works

This Body Fat Calculator estimates body fat percentage using body measurements such as height, neck, waist, and hip circumference. It uses a common formula often called the U.S. Navy method, which provides a simple estimate of body fat without special equipment. You can also use our Calorie Calculator to plan your daily nutrition and energy intake.

Why Use a Body Fat Calculator?

  • Estimate body fat percentage quickly
  • Helpful for fitness and weight loss goals
  • Track changes in body composition over time
  • Useful alongside BMI and other health tools

Example Body Fat Calculation

For example, a man who is 70 inches tall with a 16-inch neck and a 34-inch waist may have an estimated body fat percentage around 18% to 20%, depending on the formula used. A woman who is 65 inches tall with a 13-inch neck, 30-inch waist, and 38-inch hips may have an estimated body fat percentage of around 26% to 30%.

Body Fat Calculator FAQs

What does a Body Fat Calculator do?
A Body Fat Calculator estimates the percentage of your body weight that comes from fat using body measurements. To quickly check your weight category, you can use our BMI Calculator.

Is this more useful than BMI?
Body fat percentage can provide more detail about body composition than BMI, although both can be useful together.

Do I need special equipment?
No. You only need a measuring tape and your height.

Is this Body Fat Calculator accurate?
It provides an estimate using a standard formula. It may not be as precise as medical or laboratory testing.

Is this Body Fat Calculator free?
Yes. Our Body Fat Calculator is free and works on desktop, tablet, and mobile devices.

Related Health Calculators

You may also find these calculators helpful for understanding your overall health and fitness goals.

Try More Free Calculators

Scroll to Top