Body Fat Percentage Calculator 🏋️
Accurately measure your body composition with our free calculator. Get instant results with personalized health recommendations.
Calculate Your Body Fat
Enter your measurements below to get an accurate estimate of your body fat percentage.
Your Body Fat Results
Complete the form to see your personalized body fat analysis
Your body fat percentage will appear here after calculation. We use the U.S. Navy method which is accurate within 3-4% of professional measurements.
How It Works
Take Measurements
Accurately measure your waist, neck, and (for women) hip circumference using a flexible tape measure.
Calculate
Our calculator uses the U.S. Navy method formula to estimate your body fat percentage based on your measurements.
Get Results
Receive your body fat percentage, category, and personalized health recommendations instantly.
Why Measure Body Fat?
🎯 Better Health Indicator
Body fat percentage is a more accurate health indicator than BMI alone, as it distinguishes between fat and muscle mass.
📈 Track Fitness Progress
Monitor changes in your body composition over time to see the real impact of your diet and exercise regimen.
⚕️ Health Risk Assessment
Understand your risk for weight-related health conditions like heart disease, diabetes, and hypertension.
What Users Say
This calculator helped me understand that even though my weight hadn't changed much, I was losing fat and gaining muscle. So motivating!
As a nutritionist, I recommend this tool to my clients. It's accurate enough for tracking progress between professional measurements.
I've tried several online calculators, but this one provides the most consistent results. The explanations are clear and helpful.
Frequently Asked Questions
Body fat percentage is the total mass of fat divided by total body mass, multiplied by 100. It's a more accurate indicator of health than weight alone because it distinguishes between fat mass and lean body mass.
Our calculator uses the U.S. Navy method and BMI-based formulas which provide estimates within 3-4% of professional measurements. For clinical precision, consider DEXA scans or hydrostatic weighing.
For men, 6-24% is generally healthy, while for women, 16-30% is considered healthy. Athletes typically have lower percentages (6-13% for men, 14-20% for women).
For tracking fitness progress, measure every 4-8 weeks. Daily fluctuations are normal, so focus on long-term trends rather than daily changes.