To find out whether you fall in the third of the population that's overweight, you'll want your body mass index. The calculation is actually very easy, you need to simply bring your weight in kilos and divide it with your height in meters squared. When you have a BMI of 18 to 23, you've wealthy weight. However, the ratio actually is over 24, you're overweight. Ratios in excess of 30 signify the individual is grossly obese. Another test to check out can be your body's muscle to fat ratio. How to achieve fast and effective weight loss