Fitness Calculators

 
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Fitness Calculators


Choose your favorite body fat calculator, then use it often to keep your body fat in check. Find your lean body mass, your resting heart rate average, or calculate how many calories and where they should come from to meet your body composition goal, and MORE!

  • Fitness calculator's
    •  Body Fat (US Navy) Calculator.
      This calculator uses the formula developed by the U.S. Navy to estimate your body fat percentage without calipers. Use a tape measure and enter your waist, hip, and neck measurements. Combine these measurements with your gender and height and this calculator will estimate your percent of body fat, how much of your weight is lean mass and how much is fat mass, and your general fitness category. The water displacement test is the most accurate way to determine body fat percent, but the US Navy or YMCA formula is accurate within 1-3% for most people.
    • Body Fat (YMCA) Calculator.
      This calculator uses the formula developed by the YMCA to estimate your body fat percentage without calipers. Use a tape measure and enter your waist measurement. Combine the waist measurement with your gender and weight and this calculator will estimate your percent of body fat, how much of your weight is lean mass and how much is fat mass, and your general fitness category. The water displacement test is the most accurate way to determine body fat percent, but the US Navy or YMCA formula is accurate within 1-3% for most people.
    • Body Fat (3 skinfolds) Calculator
      Calculating your body fat percentage by taking some measurements from the fat-storing zones will reveal your fitness level more accurately than scale weight alone. Combine these measurements with your gender, weight, and age and this calculator will find your percent of body fat, how much of your weight is lean mass and how much is fat mass, and your general fitness category.While the water displacement test is the most accurate way to determine body fat percent, skinfold tests are valuable because they can be done at home with the same person measuring each time, providing good measurements to monitor body composition changes over time.
    • Body Fat (4 Skinfolds) Calculator.
      Calculating your body fat percentage by taking some measurements from the fat-storing zones will reveal your fitness level more accurately than scale weight alone. Combine these measurements with your gender, weight, and age and this calculator will find your percent of body fat, how much of your weight is lean mass and how much is fat mass, and your general fitness category.While the water displacement test is the most accurate way to determine body fat percent, skinfold tests are valuable because they can be done at home with the same person measuring each time, providing good measurements to monitor body composition changes over time.
    • Body Fat (7 Skinfolds) Calculator
      Calculating your body fat percentage by taking some measurements from the fat-storing zones will reveal your fitness level more accurately than scale weight alone. Combine these measurements with your gender, weight, and age and this calculator will find your percent of body fat, how much of your weight is lean mass and how much is fat mass, and your general fitness category.While the water displacement test is the most accurate way to determine body fat percent, skinfold tests are valuable because they can be done at home with the same person measuring each time, providing good measurements to monitor body composition changes over time.
    • Lean Body Mass Calculator.
      Get an estimate of your body's lean mass by entering your height and weight. This calculator uses the James formula which applies to adults and children of all ages. Your lean body mass is the sum of all your nonfat parts including muscle, tissue, organs, blood, and water. Don't confuse lean body mass with ideal weight - essential fat is 10% for women and 2% for men, and acceptable fat is up to 31% for women and 25% for men.
    • Resting Heart Rate Average Calculator.
      Resting heart rate is an indicator of your cardiovascular fitness level or how well your heart and lungs work. Typical resting heart rate is about 72 bpm, while highly trained runners may have resting heart rates around 35-40 bmp. Your average resting heart rate should be 15 to 20 bpm slower than your normal heart rate. The more fit you are, the lower your resting heart rate will be. As you monitor your average resting heart rate, you'll see this number drop as you become more fit.
    • Calorie Compesition Caculator.
      Given your goal and current weight, this calculator will help you determine your daily calorie needs and how many of those calories should come from protein, carbohydrates, and fat to keep you on track.
    • Full Body Analysis Calculator.
      This calculator combines the output from several individual calculators to give you a full body analysis. Quickly find out your BMI, waist to hip ratio, body frame size, ideal weight, body fat, RMR, calories burned, target heart rate, and maximum heart rate.









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