Arterial Blood Gas Calculator
Interpret ABG results to diagnose acid-base disorders. Calculate A-a gradient and assess oxygenation status.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
ABG Values
Normal: 7.35-7.45
Normal: 35-45 mmHg
Normal: 22-26 mEq/L
Normal: 80-100 mmHg
Room air: 21%
Primary Disorder
Normal
pH: 7.40
Compensation Status
None
ABG Interpretation Guide
Primary Disorders
- Respiratory Acidosis: Low pH, High pCO2
- Respiratory Alkalosis: High pH, Low pCO2
- Metabolic Acidosis: Low pH, Low HCO3
- Metabolic Alkalosis: High pH, High HCO3
P/F Ratio Interpretation
- >400: Normal lung function
- 300-400: Mild impairment
- 200-300: Moderate impairment (ALI)
- <200: Severe impairment (ARDS)
Help us improve!
How would you rate the Arterial Blood Gas Calculator?