You can compute and evaluate your BMI with this tool (Body Mass Index)
Using the BMI Calculator, you can determine your Body Mass Index (BMI) based on your height, weight, age, and gender. Because being overweight or obese increases your chance of developing conditions including high blood pressure, heart disease, and diabetes, check your body statistics to determine your target weight. If you're dieting or trying to reduce weight, you can also use it to determine your healthy weight.