Home Blood Pressure Log Trend Calculator
Enter your average readings from two different weeks to see how your blood pressure trend is changing, plus your overall average for the period.
Systolic Change
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Systolic change (mmHg)—
Diastolic change (mmHg)—
Percent systolic change—
Percent diastolic change—
About this calculator
Track and average your home blood pressure readings over time and see the trend direction between two periods.
Frequently Asked Questions
How many readings should I average?
Most guidelines suggest averaging at least 5-7 days of morning and evening readings, excluding the first day, for a reliable trend.
Is a negative number good?
Yes, a negative change means your systolic or diastolic pressure decreased between the two periods, which is generally favorable if you were elevated.
Should I use this instead of seeing a doctor?
No, this tool only tracks numeric trends. Always discuss readings and any concerning changes with a healthcare provider.