Blood Pressure Variability Calculator
Measure how much your systolic readings vary from one to the next.
Your result
Higher variability between readings is being studied as a cardiovascular risk marker. Consistent home routines help make readings comparable.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Learn more
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Frequently asked questions
What does the Blood Pressure Variability Calculator do?
Measure how much your systolic readings vary from one to the next. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: blood pressure variability; bp readings standard deviation; how steady is my blood pressure.