The numbers on your scale do not indicate whether you are fit or fat. Far more significant than your total body weight is the composition of your body tissue. If a males fatty tissue is higher than 14% to 15% of his body mass, or if a woman’s is more than 20% to 22%, he or she is considered overweight.
A small amount of fat is needed for padding the internal organs, and as insulation under the skin. Excess fat leads to diseases such as diabetes, gout, high blood pressure, …