Body Fat Percentage Calculator

Estimate your body fat percentage using different measurement methods.

cm
kg
Skinfold Measurement Instructions:

Use a skinfold caliper to measure the thickness of a fold of skin with its underlying layer of fat. Take each measurement 2-3 times and use the average.

mm
Vertical fold on the back of the upper arm, halfway between the shoulder and elbow.
mm
Diagonal fold just below the bottom tip of the shoulder blade.
mm
Diagonal fold above the hip bone.
mm
Diagonal fold halfway between the armpit and nipple (for men).
mm
Vertical fold on the front of the thigh, halfway between the hip and knee (for women).
cm
kg
Note: The BMI method is less accurate than other methods, especially for athletes, older adults, and those with high muscle mass. It provides only a rough estimate.
Body Fat Calculation Results
Your Body Fat Percentage

0%

Category:

Body Composition Breakdown
Measurement Value Description
Total Weight 0 kg Your current body weight
Fat Mass 0 kg Weight of body fat
Lean Mass 0 kg Weight of muscles, bones, organs, water, etc.
Body Fat Category - -
Visualization
Body Composition
Body Fat Scale
Essential Athletic Fitness Average Obese
What This Means

Body fat percentage is the total mass of fat divided by total body mass. It's a better measure of fitness than weight or BMI alone.

Healthy Body Fat Percentage Ranges:
For Men:
  • Essential fat: 2-5%
  • Athletic: 6-13%
  • Fitness: 14-17%
  • Average: 18-24%
  • Obese: 25% and higher
For Women:
  • Essential fat: 10-13%
  • Athletic: 14-20%
  • Fitness: 21-24%
  • Average: 25-31%
  • Obese: 32% and higher

Keep in mind that these are general guidelines. The ideal body fat percentage varies based on age, fitness goals, and overall health. Athletes often have lower body fat percentages, while some body fat is essential for normal physiological functions.

About Body Fat Percentage

Body fat percentage is the amount of body fat as a proportion of your body weight. It's a more accurate measure of fitness than weight or BMI alone because it distinguishes between fat and lean mass (muscle, bones, organs, etc.).

Why Body Fat Percentage Matters:
  • Indicates overall fitness better than weight alone
  • Helps identify health risks associated with too much or too little fat
  • Provides a better goal metric for fitness programs
  • Helps track changes in body composition over time
Important: All body fat measurement methods have some margin of error. For the most accurate results, consider professional methods like DEXA scans, hydrostatic weighing, or air displacement plethysmography (Bod Pod).
Measurement Methods Explained
Navy Method

Uses circumference measurements of the neck, waist, and (for women) hips. It's based on the U.S. Navy's body fat assessment formula.

Accuracy: ±3-4% error margin

Best for: Quick assessments without specialized equipment

Skinfold Method

Uses a caliper to measure the thickness of skin folds at specific body sites. The measurements are used in formulas to estimate total body fat.

Accuracy: ±3-5% error margin when done correctly

Best for: Those with access to calipers and proper technique

BMI Method

Estimates body fat based on height, weight, age, and gender. This is the least accurate method but requires minimal information.

Accuracy: ±5-7% error margin

Best for: Rough estimates when other measurements aren't available

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