BloodPressureOKIs your blood pressure OK?

My Blood Pressure Log – Free, Private, No Sign-up

Write down your home readings and see your 7-day average, a chart and a printout for your doctor. No account, nothing uploaded — your log is stored only in this browser on this device.

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Add your first reading on the left — or tap “Save to my log” on any reading page after you check a reading. Moving from another device? .

How to measure at home (the 7-day method)

  1. Seven days in a row, ideally the week before a doctor's appointment.
  2. Morning before medication and breakfast, and evening before dinner.
  3. Each time sit quietly for 5 minutes, then take two readings one minute apart and log both.
  4. Upper-arm cuff, arm resting at heart level, feet flat, no talking. Details: Measuring Blood Pressure Correctly: Step by Step.

The European guideline (European Society of Hypertension (ESH) 2023) counts a home average of 135/85 mmHg or higher as high blood pressure — lower than the 140/90 used for readings at the doctor's office, because home readings are taken at rest. Single readings vary a lot; the average over several days is what matters. Following the ESH home protocol, the log leaves out the first of the 7 days once you have readings on at least 4 days.

Your data stays with you

This log has no server part. Readings are saved in your browser's local storage on this device and are never sent to us or anyone else. That also means: if you clear your browser data or switch devices, the log is gone — use Save backup now and then, and Import backup on your new device. The CSV export opens in Excel, Numbers or Google Sheets.

This log is a convenience tool, not a medical device. A reading of 180/110 or higher with chest pain, shortness of breath, back pain, numbness or weakness, vision or speech problems, confusion or a severe headache is an emergency: call 911 (US) or your local emergency number. Without symptoms, sit quietly for 5 minutes and measure again; if it is still that high, contact a doctor the same day. A very low reading (below 70 systolic or 40 diastolic): measure again now; if it is real and you feel faint, confused, short of breath, or cold and clammy, call 911 (US) or your local emergency number, otherwise contact a doctor today.

Sources: ESH 2023 guideline · MedlinePlus: Blood pressure measurement · validatebp.org (validated monitors).