Lung-Protective Ventilation Calculator (ARDSnet)

Calculates ARDSnet lung-protective ventilation parameters for ARDS. Tidal volume: 6 mL/kg ideal body weight (IBW); may reduce to 4 mL/kg if needed. Plateau pressure goal: ≤30 cmH2O. Driving pressure (plateau − PEEP): target ≤15 cmH2O. Respiratory rate: 6–35/min to achieve pH 7.30–7.45. PEEP selected per high or low PEEP-FiO2 table. FiO2 goal: SpO2 88–95%.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Calculates ARDSnet lung-protective ventilation parameters for ARDS. Tidal volume: 6 mL/kg ideal body weight (IBW); may reduce to 4 mL/kg if needed. Plateau pressure goal: ≤30 cmH2O. Driving pressure (plateau − PEEP): target ≤15 cmH2O. Respiratory rate: 6–35/min to achieve pH 7.30–7.45. PEEP selected per high or low PEEP-FiO2 table. FiO2 goal: SpO2 88–95%. Use the lung-protective ventilation result to inform your calculation.

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Frequently Asked Questions