Umahluko phakathi kwesixhobo sokubala kunye ne-BMI kukuba i-BMI ikuxelela ukuba loluphi uhlobo lobunzima bakho.
I-calculator yesisindo esifanelekileyo ikuxelela ukuba ubunzima bakho bokwenyani bumele ukuba bube njani. Olu kubalo lunokukunceda uthathe isigqibo sokuba ukhulule okanye uzuze ubunzima.