Are you confused with your blood pressure numbers? Not sure when the numbers indicate high blood pressure or low blood pressure? If you have recently checked your blood pressure and know the top and bottom numbers, we suggest that you key the numbers in the box below and instantly get an idea whether it is normal or abnormal. The calculator compares your blood pressure with that of the normal range for your age group and detects if there is any abnormality. The final result will help you understand why it is important to regularly keep track of your blood pressure readings and gives some tips on how to maintain a normal blood pressure. The American Heart Association (AHA) and other medical organizations recommend that people with high blood pressure or hypertension monitor their blood pressure at home. Home monitoring(1✔) is easy and saves both time and money and at the same time avoids white coat hypertension(2✔) Blood pressure is a 'mathematical representation' of two forces.(3✔) The top number (systolic) is the force applied against the walls of the arteries when the heart beats and the bottom number (diastolic) is the force applied against the walls between the two beats of the heart (i.e. when heart is in a relaxed state). A blood pressure range of 110/70 to 120/80 is considered normal.