| Classification (JNC7) | Systolic BP (mmHg) | Diastolic BP (mmHg) |
| Normal | 90 - 119 | 60 - 79 |
| Pre-hypertension | 120 - 139 | 80 - 89 |
| Stage 1 hypertension (mild) | 140 - 159 | 90 - 99 |
| Stage 2 hypertension (moderate) | ≥160 | ≥100 |
| Hypertensive Crisis (severe) | >180 | >110 |