Using a fitness calculator is the ideal approach to make every part of your fitness journey more systematic & successful. Training Sixty offers a number of free tools and fitness calculators to assist you in determine your body mass index (BMI), waist to hip ratio, target heart rate zone, blood pressure (BP) body fat composition, ideal weight, BMR, daily caloric requirements and more. Training Sixty fitness tools and calculator will assist you in determine an exercise and nutrion program that is customised towards your specific needs and goals.