Body Fat Calculator

Body Fat %: 0%
Fat Mass: 0 kg
Lean Mass: 0 kg

FREE Body Fat Calculator – Estimate Body Fat Percentage & Track Progress

Looking to find out your body fat percentage? Our FREE Body Fat Calculator lets you easily estimate how much of your body weight is made up of fat versus lean mass. This handy tool gives you deeper insights into your body composition and helps you make smarter decisions on your fitness journey.

What is Body Fat Percentage?

Body fat percentage is the portion of your total weight that’s made up of fat. Some body fat is essential—it protects organs and supports cell function—but too much can increase your risk of chronic conditions like diabetes, heart disease, and more. Knowing your body fat percentage gives you a clearer picture of your health than weight alone.

Why Use Our Body Fat Calculator?

  • Quick & Easy: Get instant, accurate results in just a few clicks.

  • Set Realistic Fitness Goals: Track fat loss or muscle gain for a healthier you.

  • Monitor Progress: Regular check-ins show how your training and nutrition are working.

  • Personalized Insights: Know your ideal body composition for your gender and age.

How Does the Body Fat Calculator Work?

Our calculator uses your body measurements—like weight, height, neck, waist, and hip circumference (for women)—to estimate body fat percentage. We rely on trusted formulas (including the U.S. Navy and BMI methods) for a reliable estimate, all without expensive equipment.

Steps:

  1. Choose your gender

  2. Enter your weight and height

  3. Measure and input neck and waist circumference

  4. Women should also enter hip circumference

  5. Click “Calculate” to see your body fat percentage, fat mass, and lean mass


What is a Healthy Body Fat Percentage?

  • Men: 10% – 20%

  • Women: 18% – 28%

For more, see CDC Body Fat Information [external].

Body Fat Categories

Category

Men (%)

Women (%)

Essential Fat

2 – 5

10 – 13

Athletes

6 – 13

14 – 20

Fitness

14 – 17

21 – 24

Average

18 – 24

25 – 31

Obese

25+

32+


Frequently Asked Questions (FAQs)

How accurate is the Body Fat Calculator?

Our tool provides a close estimate using reputable formulas, but for medical-grade accuracy, tools like calipers or DEXA scans are best.

Can exercise help lower my body fat?

Absolutely! A combination of cardio, strength training, and proper nutrition is proven to reduce body fat and build lean muscle.

Why track body fat percentage instead of just weight?

Weight alone doesn’t reveal if you’re gaining muscle or losing fat. Tracking body fat gives a much better picture of true fitness.

How often should I use the Body Fat Calculator?

Monthly check-ins are ideal for monitoring your fitness progress and making adjustments as needed.


Final Thoughts

Your fitness journey is about more than just losing weight—it’s about building a healthier, stronger body. Our FREE Body Fat Calculator empowers you with the knowledge to make smarter choices. Use it regularly, set achievable goals, and see real progress over time!


Internal Link:

Want to calculate your BMI? Try our FREE BMI Calculator!

External Link:

For more info, visit the CDC’s body fat guidelines here.


Body Fat Calculator

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