The money contributed to your FSAFEDS account is set aside before taxes are deducted, so in most cases you save about 30% on your Federal taxes. The average tax savings for a person earning $50,000 who contributes $2,000 into an FSA account is approximately $600.
The BMI Formula to calculate Body Mass Index: BMI. To calculate your BMI (Body Mass Index), take your weight (in kilograms), and divide by your height (in meters) squared.
Formula: weight (kg) / [height (m)]2. With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Because height is commonly measured in centimeters, divide height in centimeters by 100 to obtain height in meters.