The unit of BP is millimeters of mercury (mmHg). The normal blood pressure range for adults is 120-80 mmHg (systolic should be below 120, while diastolic should be below 80). The ideal blood pressure for men and women (even for women over 40 and for women over 50) can be slightly different.It is a scaring fact that more and more children are diagnosed with high blood pressure every year. BP higher than the normal levels is referred to as high BP (HBP) or hypertension.he ideal blood pressure for men and women (even for women over 40 and for women over 50) can be slightly different. It is a scaring fact that more and more children are diagnosed with high blood pressure every year. BP higher than the normal levels is referred to as high BP (HBP) or hypertension.