Free Health Tool

Body Fat Calculator

Use our free Body Fat Calculator to estimate your body fat percentage, body fat category, fat mass, lean body mass, and healthy body composition using simple body measurements.

Body Fat Calculator

Enter your body measurements below to calculate your body fat percentage instantly. View your body fat category, fat mass, lean body mass, and personalized fitness recommendations in seconds.

Body Fat Categories Table

The chart below shows standard body fat percentage categories for men and women. Compare your result to see whether your body fat falls into the essential, athlete, fitness, average, or obese range.

Essential Fat

Men- 2–5%

Women-10–13%

Athlete

Men-6–13%

Women- 14–20%

Fitness

Men-14–17%

Women-21–24%

Average

Men-18–24%

Women-25–31%

Obese

Men-25%+

Women-32%+

What is Body Fat Percentage?

Body fat percentage is the proportion of fat in your body compared to your total body weight. It provides a more accurate measure of health and fitness than weight alone, helping you assess whether your body fat is in a healthy range.

How is Body Fat Percentage Calculated?

Method Used: ✓ U.S. Navy Body Fat Formula)

This calculator uses the U.S. Navy Body Fat Formula to estimate body fat percentage based on your body measurements and gender.

Body Fat Calculator FAQs

Find answers to the most common questions about body fat percentage, healthy body fat ranges, calculation methods, accuracy, and ways to improve your overall health and fitness.

1. What is Body Fat Percentage?

Body fat percentage is the amount of fat in your body compared to your total body weight. It is a better indicator of health and fitness than body weight alone because it shows how much of your body is made up of fat tissue.

Healthy body fat ranges vary by gender and age. Generally, men should have around 10–20% body fat, while women should have around 18–28% body fat for good health.

Yes. Body fat percentage is generally more accurate than BMI because it measures the actual proportion of body fat instead of only comparing height and weight.

Our calculator uses the U.S. Navy Body Fat Formula, which estimates body fat using measurements such as height, waist, neck, and hip (for women).

Yes. A balanced diet, regular exercise, strength training, proper sleep, and a calorie deficit can help reduce body fat over time while maintaining muscle mass.

Most people should check their body fat percentage every 2–4 weeks. Measuring too frequently may not show meaningful changes because body fat decreases gradually.

This calculator provides a reliable estimate using the U.S. Navy Formula. While it is highly useful for tracking progress, professional methods like DEXA scans may provide even greater accuracy.

Yes. Athletes can use this calculator to monitor body composition, although very muscular individuals may notice slight differences compared to advanced body composition testing methods.

Related Health Tools

Explore more free calculators to better understand your health and weight loss journey..

BMR Calculator

Know your daily calorie needs.

Calorie Calculator

Calculate calories for weight loss.

Protein Calculator

Find your daily protein requirement.

Water Intake Calculator

Know how much water you should drink.

Why Use GharParSlim Tools?

Simple, practical and easy-to-use health tools designed to support your weight loss journey.

100% Free

Use all our health tools anytime without creating an account or paying any fee.

Instant Results

Get accurate health calculations instantly with clear and easy-to-understand results.

Privacy First

We never save your health information. Everything is calculated securely in your browser.

Need a Personalized Diet Plan?

Get a customized weight loss diet plan based on your age, weight, lifestyle and goals.

GharParSlim

Helping people lose weight naturally with healthy recipes, diet plans, free tools and practical guidance.

Get In Touch

Need help choosing the right diet plan?

We’re here to support your weight loss journey.

Helping People Lose Weight Naturally From Home.

Scroll to Top