Note: You must have Javascript enabled to use these calculators. Target Weight Calculate your target weight by filling out the information below and clicking "Calculate"   Percent Body Fat Current Weight Desired Percent Body Fat   Calculate Percentage of body fat falls into these ranges: Decreased health risk for men is less than 25% Decreased health risk for women is less than 32% Optimal fitness performance for men is less than 15% Optimal performance for women is less than 23% Body Mass Index Calculate your BMI by filling out the information below and clicking "Calculate"   Weight in lbs Height in inches   Body Mass Index Calculate BMI is the governments standard for measuring obesity, and falls into these ranges: Normal = BMI less than 25 Overweight = BMI between 25 - 30 Obese = BMI over 30 Ideal Heart Rate Range Calculate your ideal heart rate range by entering your age and clicking "Calculate"   Age   Healthy Heart Range Calculate Hip-to-Waist Ratio Calculate your Hip-to-Waist ratio by filling out the information below and clicking "Calculate". If you bend to the side, the place where your stomach creases is where you should measure your waist. Measure your hips around the largest part of your buttocks.   Waist circumference in inches Hip circumference in inches   Hip-to-Waist Ratio Calculate For men: The ideal ratio is less than .85. The desireable ratio is .85 - .94. You are at risk at .95+ For women: The ideal ratio is less than .75. The desireable ratio is .75 - .79. You are at risk at .8+ Calculate Calories Calculate the number of calories you need at rest and how many calories you have to cut out to lose a certain amount of weight by filling out the information below and clicking "Calculate".   Male Female       Weight in lbs Height in inches Age Pounds to lose Number of days   Calculate