Is your blood pressure monitor accurate?

Answer six quick questions. We check your exact model against the two clinical validation registries and tell you whether your cuff is the right size for your arm.

Check my monitorTakes about a minute.
No account, no tracking.

Checked against

AMA Validated Device ListingSTRIDE BP registry
A person taking a blood pressure reading with an upper arm cuff at a kitchen table
ValidatedOmron 5 Series checked
18%of upper arm monitors sold online have passed an independent accuracy test. 1
49%of adults need a cuff size other than the Standard one most monitors ship with. 2
+19.5mmHgtoo high when the cuff is too small for the arm, in a 2023 randomized trial. 3

One minute, three answers you actually need

The same checks the Cento app runs when you set up your device, without the app.

Whether your model passed

We look your exact model up in the AMA Validated Device Listing and the international STRIDE BP registry.

Whether your cuff fits

Tell us your arm circumference and we tell you the cuff size your readings actually need.

What to do about it

If something is off you get the specific fix: the size to buy, or validated models that are actually available.

Two minutes now beats months of readings you can't trust

Find out where your monitor stands, and exactly what to do if something is off.

Check my monitor

A calm place for your blood pressure.