What a check involves
An inflatable cuff is placed around your upper arm and briefly tightened while a monitor measures your blood pressure. It's quick and painless. We'll explain your reading and what it means for you.
What the numbers mean
Blood pressure is written as two numbers, for example 120/80mmHg. The first (systolic) is the pressure when your heart pushes blood out; the second (diastolic) is the pressure between beats.
- Around 120/80mmHg is generally considered ideal for most adults
- 140/90mmHg or higher when measured in a clinic (or 135/85 or higher at home) is usually considered high
- Around 90/60mmHg or lower may be considered low
A single high reading doesn't necessarily mean you have high blood pressure — it can rise temporarily with stress or activity. That's why we may suggest repeating it, or wearing a 24-hour monitor, before drawing any conclusions.
Who should get checked
Left untreated, high blood pressure raises the risk of heart attacks and strokes, so it's worth knowing your numbers even if you feel well. The NHS recommends that adults, particularly those over 40, have their blood pressure checked regularly — at least every five years, and more often if you've had raised readings before. Our check is free for eligible adults, no appointment needed, and if it's high we'll talk to you about next steps and, where appropriate, contact your GP.
Further reading
For fuller, independent information from trusted sources:
This page is general information
It isn't a substitute for advice from a pharmacist or doctor about your own health. Please read our disclaimer. If you're unwell and need urgent help, call NHS 111; in an emergency call 999.
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