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Predicted Tidal Volume Calculator

Lung-protective TV from predicted body weight.

Compute the predicted body weight (PBW) from height and sex (Devine formula) and the lung-protective tidal volume targets at 4, 6, and 8 mL/kg PBW used in ARDS ventilation.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

cm

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Male PBW = 50 + 0.91 · (height_cm − 152.4); female PBW = 45.5 + 0.91 · (height_cm − 152.4).

In depth

Compute the predicted body weight (PBW) from height and sex (Devine formula) and the lung-protective tidal volume targets at 4, 6, and 8 mL/kg PBW used in ARDS ventilation.