I've never really given a shit about the body fat ratio thing,
Each to their own. I've been working hard to lose the 20kg I put on when I stopped riding bikes and have found that the occasional numbers based sanity checks have been really motivating to me. It has been a long slog.
Measure your waist. Much more reliable, pretty good indicator of how fat you are or not. Also one bit of you that doesn't become disproportionately outsized through strength gains.
Each to their own. I've been working hard to lose the 20kg I put on when I stopped riding bikes and have found that the occasional numbers based sanity checks have been really motivating to me. It has been a long slog.