Body Fat Calculator
Estimate body fat percentage using the U.S. Navy method. Enter neck, waist, height (and hip for females) measurements to get your body fat percentage and fitness category.
How to Use Body Fat Calculator
The Body Fat Calculator estimates your body fat percentage using the U.S. Navy circumference method. Select your gender, choose measurement units (cm or inches), and enter your height, neck circumference, and waist circumference (plus hip circumference for females). The tool calculates your estimated body fat percentage and categorizes it (Essential Fat, Athletes, Fitness, Average, or Obese). Results are estimates — for clinical accuracy, consult a healthcare professional or use methods like DEXA scanning.
Step-by-Step Instructions
- Select gender and measurement unit (cm or inches)
- Enter height, neck, and waist measurements
- For females, also enter hip measurement
- Click Calculate to see body fat percentage and category
Related Tools
Percentage Calculator
Calculate percentages, percentage changes, and percentage differences.
BMI Calculator
Calculate Body Mass Index from height and weight with category display.
Loan and Mortgage Calculator
Calculate monthly payments, total interest, and amortization schedules.
Tip Calculator
Calculate tip amounts and split bills between multiple people.