Blood Pressure Stage & Category Calculator
Understand your systolic and diastolic numbers based on official clinical guidelines from the American Heart Association (AHA) and the European Society of Cardiology (ESC / DHL).
Stage 1 Hypertension
Reading: 128/82 mmHg • Pulse 72 BPM
Systolic ranges from 130–139 OR diastolic ranges from 80–89 mmHg.
Consult your physician. Treatment typically begins with lifestyle changes and may include medication based on cardiovascular risk.
Point your phone camera at your OMRON®, Beurer®, Braun®, or generic monitor screen. Subra Space AI extracts SYS, DIA & Pulse in 1 second using 100% on-device vision.
- Sit quietly for 5 minutes before pressing start.
- Keep cuff supported at exact heart level with uncrossed legs.
- Avoid caffeine, smoking, or exercise within 30 minutes of measuring.
Authoritative Blood Pressure Guidelines
American Heart Association / American College of Cardiology
The 2017 AHA/ACC guidelines redefined high blood pressure, lowering the threshold for Stage 1 Hypertension to 130/80 mmHg to promote earlier intervention through lifestyle modifications.
Read 2017 AHA/ACC Practice GuidelinesDeutsche Hochdruckliga (DHL®) & European Society of Cardiology
The European consensus (ESC 2024 and German DHL guidelines) maintains the clinical definition of Hypertension at $\ge$140/90 mmHg for in-office and $\ge$135/85 mmHg for home monitoring (HBPM).
Besuche Deutsche Hochdruckliga Leitlinien