How high is high blood pressure?

Answer:
if your blood pressure is 120/80 or 140/90 mmHg its normal, if its 140/90 mmHg or higher you have high blood pressure and if its 180/110 mmHg or higher than that you have really high blood pressure.
First answer by Ziddney. Last edit by Ziddney. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].