YSK that Waist to Height Ratio (WtHR) is a significantly stronger predictor of weight-related health issues than BMI. Ideally, you waist circumference would be roughly half your height.
from /r/YouShouldKnow
YSK认为腰高比（WtHR）是比BMI更强的预测体重相关健康问题的因素。理想情况下，你的腰围大约是你身高的一半。