Welcome to health calculators! Whether you are a doctor, a medical student or a patient, you will find answers to your medical questions here, as well as receive a lot of scientifically proven information. What is my renal function and what does it mean? How much blood do I have? How to dose medication to children? These are just a few examples of what you can learn! Heartbeat Calculator will explain these terms and help you determine your own result! Don’t hesitate, solve your medical issues with us!