Body Fat Calculator – Estimate Your Body Fat % Accurately
💡 What is a Body Fat Calculator?
A Body Fat Calculator estimate the percentage of fat in your body base on simple body measurement . It help you understand how much of your weight come from fat compare to lean mass ( muscle , bone , organ , water ) .
This be useful for set fitness goal , track progress , and stay healthy—not just lose weight !
Body Fat Percentage Calculator
🔍 How Our Body Fat Calculator Works
We use the U.S. Navy Method , a trusted and widely-used formula that require just a few body measurement :
📥 User Inputs:
- Gender
- Age
- Height (in cm or feet/inches)
- Weight (optional, but helpful)
- Neck circumference
- Waist circumference
- Hip circumference (for women only)
⚙️ Calculation Formula (U.S. Navy Method):
For Men: \text{Body Fat %} = 86.010 \times \log_{10}(\text{waist} – \text{neck}) – 70.041 \times \log_{10}(\text{height}) + 36.76
For Women: \text{Body Fat %} = 163.205 \times \log_{10}(\text{waist} + \text{hip} – \text{neck}) – 97.684 \times \log_{10}(\text{height}) – 78.387
The results are based on population averages and are a reliable non-invasive way to estimate body fat.
🧭 How to Use the Body Fat Calculator
- Select your gender
- Enter your age, height, and weight
- Measure your neck, waist, and (if female) hips accurately using a measuring tape
- Click Calculate
- Instantly view your estimated body fat percentage
🧠 What the Results Mean
Body Fat 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%+ |
Lower isn’t always better. Healthy fat levels are essential for hormone function, energy, and organ protection.
🌟 Why Use Our Body Fat Calculator?
- 🔍 Scientifically backed with the U.S. Navy formula
- 🧾 Requires only a measuring tape—no fancy tools!
- ⚡ Instant, clear results for men and women
- 🎯 Perfect for fitness planning and transformation tracking
- 📱 Can be linked with calorie/macro calculators for deeper insight