The proportion of total body weight that is composed of fat tissue.
Body fat percentage measures the proportion of your weight that is fat. Unlike BMI, it distinguishes between fat mass and lean mass (muscle, bone, water).
| 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%+ |
Methods include skinfold calipers, bioelectrical impedance scales, DEXA scans (most accurate), and the Navy method (using neck and waist measurements).
A numerical value calculated from height and weight, used as a screening tool for body fat categories.
The number of calories your body burns at complete rest to maintain basic life functions.
The total number of calories burned per day, including exercise and daily activities on top of BMR.
The three main nutrients the body needs in large amounts: protein, carbohydrates, and fats.
The force of blood pushing against artery walls, measured as systolic over diastolic pressure.
Consuming fewer calories than your body burns, which is required for weight loss.