AAP 2017 Staging:
<90th: Normal | 90th–<95th: Elevated | ≥95th or 120/80: Stage 1 | ≥95th+12 or 140/90: Stage 2
Child Blood Pressure Percentile Calculator 2025: AAP Guidelines & Hypertension Staging
Pediatric hypertension affects 3–5% of children. Our calculator uses AAP 2017 tables to compute BP percentile by age, gender, and height. Essential for screening, diagnosis, and management in ages 1–17.
Measurement Tips
- Right arm, seated, feet flat, after 5 min rest
- Use correct cuff size (covers 80–100% arm)
- Repeat 3 times, average last 2
- Avoid caffeine, exercise 30 min prior
BP Classification (AAP 2017)
| Category | SBP/DBP Percentile | Action |
|---|---|---|
| Normal | <90th | Routine screening |
| Elevated | 90th–<95th or 120/80 | Repeat in 1–2 weeks |
| Stage 1 HTN | ≥95th or 130/80 | Confirm in 1–2 weeks |
| Stage 2 HTN | ≥95th+12 or 140/90 | Refer within 1 week |
Height Percentile Role
BP norms increase with height. Use growth percentile for accuracy.
Risk Factors
- Obesity (BMI ≥95th)
- Family history of HTN
- Prematurity, kidney disease
- Sleep apnea, diabetes
Management
- Elevated: Lifestyle (DASH diet, 60 min exercise)
- Stage 1: Repeat, echo if persistent
- Stage 2: Start meds (ACEi, CCB), nephrology
Limitations
- Not for <1 year or >17 years
- White coat HTN common — use ABPM
- Does not replace clinical judgment
Pro Tips
- Screen annually from age 3
- Use oscillometric, confirm with auscultation
- Track trends over time
FAQs
What if height is unknown? Use 50th percentile for age/gender.
Is 120/80 high in kids? Yes — elevated if <13 years.
When to order labs? Stage 1+: UA, electrolytes, lipid, glucose.
Conclusion
Use our 2025 Child BP Calculator with AAP tables for accurate percentile and staging. Early detection prevents adult CVD.
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