Is a blood pressure of 120/90 good or bad? According to the American Heart Association, a blood pressure reading of 120/90 would be considered stage 2 high blood pressure (hypertension). This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots. A blood pressure measurement over 180/120 mm Hg is called a hypertensive emergency or crisis. Seek emergency medical help for anyone with these blood pressure numbers. Your healthcare team can tell you what the best blood pressure goal is for you. 120/120/120: The component can withstand fire conditions for 120 minutes in terms of structural load-bearing capacity, integrity (fire and smoke containment), and insulation (heat resistance). 120 and 90 are all positive numbers. Numbers with the same symbol are added, the symbol of the result remains the same, and the absolute value is added. In vertical addition or subtraction, ensure that digits with the same place value are aligned. 120 (one hundred [and] twenty) is the natural number following 119 and preceding 121. In the Germanic languages, the number 120 was also formerly known as one hundred. If your blood pressure is higher than 180 and/or 120 mm Hg and you have any of these symptoms, call 911: chest pain, shortness of breath, back pain, numbness, weakness, change in vision or difficulty speaking. SolveCalc - Free CalcSolver & Scientific Calculator SolveCalc is a free CalcSolver - a complete math toolkit with a scientific calculator, algebra guides, graphing, fractions, statistics, family finance calculators, and 34+ learning tools. Free, no account needed. A blood pressure of 120/90 is not considered good. While the top number (120) is within the normal range, the bottom number (90) crosses into Stage 2 hypertension according to the 2025 guidelines from the American Heart Association and American College of Cardiology. Use this interactive 120 chart to practice counting to one hundred and beyond. It’s also great for modeling math problems, skip counting, and more!.