Measure correctly
Measure in a calm seated position with the correct cuff size.
Blood pressure120/80
Blood pressure values
Blood Pressure Values: chart and meaning
A clear overview of systolic and diastolic blood pressure, what to watch during home monitoring, and when to speak with a clinician.
Good technique, repeated readings over several days, and a clear plan for when to speak with a clinician are more useful than one isolated number.
Watch the average
Do not rely on one reading — track several readings over multiple days.
7 daysaverage
Contact a clinician in time
If readings stay high, are very high, or symptoms appear, prepare your readings and speak with a clinician.
Clinician
Reading overview
Indicative reading categories
Compare systolic and diastolic pressure with indicative categories. The trend, average, and your overall health context matter.
Indicative reading categories
| Category | Systolic pressure | Diastolic pressure | What it may mean |
|---|---|---|---|
Optimal | less than 120 | less than 80 | Usually favorable values if you feel well. |
Normal | 120–129 | 80–84 | Still common values; regular monitoring remains useful. |
High-normal | 130–139 | 85–89 | Watch the trend and lifestyle factors such as sleep, stress, and activity. |
High | 140 or higher | 90 or higher | Repeated readings in this range should be discussed with a clinician. |
Very high | 180 or higher | 120 or higher | With very high readings or symptoms, seek urgent medical help. |
This chart is informational and does not replace medical assessment. One reading is not a diagnosis — averages, repeated readings, and your health context matter.
Frequently asked questions
Quick answers about blood pressure values
Short explanations of what the chart means, why averages matter, and when to discuss readings with a clinician.
What does blood pressure 120/80 mean?
A reading around 120/80 mmHg is often considered a favorable reference value. What matters is whether similar readings repeat, how you feel, and whether you have other health risks.
When is blood pressure high?
Blood pressure around 140/90 mmHg or higher is generally considered high, especially when repeated across several measurements. One isolated reading is not necessarily a diagnosis.
Is one reading enough to judge blood pressure?
No. Blood pressure naturally changes during the day. A clearer picture comes from averages across several readings over multiple days and the context in which they were measured.
When should I contact a clinician?
Contact a clinician if readings stay high, are very high, or if symptoms appear, such as chest pain, shortness of breath, weakness, confusion, or a severe headache.
Next step
What do you want to solve next?
Choose the next step depending on whether you want to check a reading, understand the result, or prepare readings for a clinician.
I want to check a specific reading
Enter systolic and diastolic pressure and quickly see which category it falls into.
Check a readingI want to understand blood pressure better
Read more guidance about measuring, readings, prevention, and blood pressure trends.
Read articlesI want to show readings to a clinician
Track several readings over multiple days — averages and trends say more than one value.
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