Body Fat Calculator
US Navy Method & BMI-Based Body Fat Estimation
Enter your body measurements to calculate body fat percentage, fat mass, lean mass, and fitness category.
📏 What is Body Fat Percentage?
Body Fat Percentage is the proportion of fat in your total body weight. It is a more accurate health indicator than BMI, as two people with the same weight can have very different health profiles depending on their muscle-to-fat ratio.
📝 How to Use
- Select your gender
- Enter your height (cm) and weight (kg)
- Choose calculation method (Navy or BMI)
- For Navy method, enter neck, waist, hip (women) circumference
- Click calculate to see results
💡 Tips for Accurate Measurement
- Measure in the morning on an empty stomach
- Keep the tape snug but do not compress the skin
- Neck: measure at the narrowest point below the larynx
- Waist: measure at navel level horizontally
- Hip: measure at the widest part of the buttocks
❓ FAQ
BMI only uses height and weight and cannot account for muscle mass. Body fat percentage measures actual fat proportion, making it a more accurate health indicator.
The US Navy method is accurate within about 3-4% compared to DEXA scans. It is the most reliable method you can do at home with a tape measure.
For men, 10-20% is healthy; for women, 18-28%. Athletes typically maintain 6-13% (men) or 14-20% (women).
📚 Panduan perhitungan lokal
Logika rumus
Menggunakan rumus publik untuk keuangan, pinjaman, rasio, dan konversi satuan.
Cakupan sumber
Mengacu pada standar publik dan praktik umum per negara.
Asumsi
Pajak, biaya, suku bunga, dan batas berbeda antar wilayah/lembaga.
Result Interpretation
Gunakan hasil ini sebagai skenario dasar. Sebelum memutuskan, bandingkan dengan penawaran nyata dan aturan pajak lokal.
Preset lokal
Mata uang: IDR
Satuan: metric
Model pajak: US payroll estimate
Catatan regulasi
Alat ini memakai preset regional untuk estimasi. Syarat nyata dan batas hukum dapat berbeda menurut lembaga dan aturan lokal.
Aksi yang disarankan
- Bandingkan minimal 2-3 penyedia lokal sebelum final.
- Cek ulang biaya, pajak, dan klausul pelunasan dipercepat secara tertulis.
- Uji skenario stres dengan bunga +1-2% dan pendapatan turun.
Sebelum keputusan nyata, pastikan aturan terbaru di lembaga setempat.