Measuring body fat with a ruler is a simple and inexpensive way to track your progress over time. It’s not as accurate as using a caliper or a body fat analyzer, but it’s a good starting point if you’re new to tracking your body fat.
To measure your body fat with a ruler, you’ll need to find the circumference of your waist and hips. To find your waist circumference, measure around your natural waistline, which is the narrowest part of your torso. To find your hip circumference, measure around the widest part of your hips.