How to Estimate Your Body Fat Percentage at Home
https://getbodyfatcalculator.silverstonebrief.com/posts/how-to-estimate-your-body-fat-percentage-at-home
For a rough estimate at home, use a flexible tape measure around your waist and neck. For men, measure at the navel; for women, at the narrowest point. Then, with your height, plug these numbers into an online Navy body fat calculator. It's not perfectly accurate, but it gives you a useful baseline for tracking changes over time.