Quick Facts
What do your blood pressure numbers mean?
High blood pressure, also known as hypertension, can lead to serious health problems including heart attack or stroke. Measuring your blood pressure is the only way to know if you have it. Controlling high blood pressure can help prevent major health problems.
Healthy and unhealthy blood pressure ranges
| BLOOD PRESSURE CATEGORY | SYSTOLIC mm Hg (upper number) | and/or | DIASTOLIC mm Hg (lower number) |
|---|---|---|---|
| NORMAL | LESS THAN 120 | and | LESS THAN 80 |
| ELEVATED | 120 – 129 | and | LESS THAN 80 |
| HIGH BLOOD PRESSURE (HYPERTENSION) STAGE 1 | 130 – 139 | or | 80 – 89 |
| HIGH BLOOD PRESSURE (HYPERTENSION) STAGE 2 | 140 OR HIGHER | or | 90 OR HIGHER |
| HYPERTENSIVE CRISIS (consult your doctor immediately) | HIGHER THAN 180 | and/or | HIGHER THAN 120 |
Note: Only a doctor or other medical professional can confirm a high blood pressure diagnosis. They also can check if your blood pressure is too low.
View or print the Blood Pressure Categories chart
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Take Control of Your Blood Pressure
Is your blood pressure in a healthy range? The best way to know is to get it checked.
Then, enter your numbers into this calculator to see which blood pressure category the reading is in.
Systolic Pressure
Using your most recent blood pressure measurement, what is your systolic (upper) number?
1 of 2
Diastolic Pressure
Using your most recent blood pressure measurement, what is your diastolic (lower) number?
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Normal Blood Pressure
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Congratulations! This blood pressure reading is in the normal range. Keep up the good work. Stick with these heart-healthy habits.
Follow a heart-healthy eating plan.
Get regular physical activity.
Elevated Blood Pressure
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This blood pressure reading is in the elevated range. Unless steps are taken to control it, elevated blood pressure can turn into high blood pressure.
It’s important to recheck your blood pressure with your health care team. They can confirm if this reading is within your target blood pressure range and discuss any steps you might need to take to keep it in a healthy range. Lifestyle changes can help.
Work with your health care team to manage your blood pressure.
Make lifestyle changes to lower your blood pressure.
High Blood Pressure Stage 1
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This blood pressure reading is in the high blood pressure Stage 1 range. It’s important to recheck your blood pressure with your health care team. If they confirm a diagnosis of high blood pressure Stage 1, they should prescribe lifestyle changes. They may add medication based on your risk of heart disease or stroke. Medication should also be added if you have other conditions such as diabetes, heart failure and kidney disease.
Make lifestyle changes to lower your blood pressure.
Learn about blood pressure-lowering medications.
High Blood Pressure Stage 2
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This blood pressure reading is in the high blood pressure Stage 2 range. It’s important to recheck your blood pressure with your health care team. If they confirm a diagnosis of high blood pressure Stage 2, they should prescribe lifestyle changes and medication to lower your blood pressure. You may need one or more medications to keep your blood pressure in a healthy range.
Make lifestyle changes to lower your blood pressure.
Learn about blood pressure-lowering medications.
Hypertensive Crisis
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This blood pressure reading is in the hypertensive crisis range.
- Wait five minutes.
- Take your blood pressure again.
If your readings are still high, call your health care professional right away.
Call 911 if your blood pressure is higher than 180/120 and you are having chest pain, shortness of breath, back pain, numbness, weakness, change in vision or difficulty speaking.
Learn about hypertensive crisis.
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Controlling blood pressure
If your blood pressure is in the normal range, stick with heart-healthy habits such as following a balanced diet and getting regular exercise.
If your blood pressure is elevated, work with your health care professional to control the condition.
In hypertension Stage 1, your health care professional should prescribe lifestyle changes. They may consider adding medication based on your risk of heart disease or stroke and should add medication if you have other conditions such as diabetes, heart failure and kidney disease.
In hypertension Stage 2, your health care professional should prescribe blood pressure medication and lifestyle changes.
In hypertensive crisis, you need medical attention.
- Wait five minutes after your first reading.
- Take your blood pressure again.
If your readings are still unusually high, contact your health care professional immediately.
Call 911 if your blood pressure is higher than 180/120 and you are having:
- chestpain
- shortness of breath
- back pain
- numbness
- weakness
- change in vision
- difficulty speaking
Your blood pressure numbers and what they mean
Your blood pressure is recorded as two numbers:
- Systolic blood pressureis the first number. It measures the pressure your blood is pushing against your artery walls when the heart beats.
- Diastolic blood pressureis the second number. It measures the pressure your blood is pushing against your artery walls while the heart muscle rests between beats.
Which number is more important?
A higher systolic or diastolic reading may be used to diagnose high blood pressure. But the systolic blood pressure tells more about risk factors for heart disease for people over 50. As people get older, their systolic blood pressure usually goes up because:
- Large arteries become stiffer
- There is more plaque buildup over time
- Higher rates of heart and blood vessel diseases
Read more about high blood pressure.
Last Reviewed: May 17, 2024
