When working toward a fitness goal, it’s useful to look beyond the number on the scale. Tracking body fat can give you a better idea of whether the changes you’re making are actually improving your body composition. A
healthy body fat percentage depends on things like age, sex, and individual build, so there isn’t one number that works for everyone. Online calculators can be handy for getting a rough estimate and tracking changes over time, although professional testing is a better option if you need more accurate results.