Although there is no exact weight to aspire to at 165 centimeters -- which is about 5 feet and 5 inches -- there is a range that helps determine your fitness level. Falling above this range could put you at risk of cardiovascular disease, diabetes and other weight-related illnesses. However, your weight doesn't tell the complete story, as it doesn't always indicate body-fat levels. It's body fat, not muscle weight, that leads to health woes.
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Know Your Range
Your height and weight determine your body mass index, or BMI, which indicates whether or not you're in a healthy weight range. At five feet and 5 inches -- or 65 inches -- you should ideally weigh between 114 and 145 pounds. If you weigh more than that up to 174 pounds, you're considered as having overweight; after that, you're considered as having obesity. If you are under 114 pounds, you are considered underweight.
The Waist-Size Factor
Because BMI is limited in gauging body-fat levels, you should also measure your waist circumference to determine if you're at risk of obesity-related health problems. A waist size of more than 35 inches is unhealthy for women, while a circumference of 40 or more inches spells trouble for men, regardless of weight.