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| Category | SBP, mmHg | DBP, mmHg |
| Normal | < 120 | < 80 |
| High normal | 120–139 and (or) | 80–89 |
| Hypertension | ≥ 140 and (or) | ≥ 90 |
| Grade 1 (mild) | 140–159 and (or) | 90–99 |
| Grade 2 (moderate) | 160–179 and (or) | 100–109 |
| Grade 3 (severe) | ≥ 180 and (or) | ≥ 110 |
| Isolated systolic hypertension | ≥ 140 and | < 90 |
