HFNC Oxygen Duration Calculator

For Heated High Flow Nasal Cannula Therapy

Pre-Arrival Transport Planning Tool

Quick access

Clinical Setup Resources

Open the illustrated adult and pediatric setup guide or watch the setup demonstration.

1 Oxygen Source

PSI

Enter a tank pressure between 300 and 2500 PSI.

2 HFNC Settings

%

Enter a FiO₂ between 21% and 100%.

L/min

Enter a flow between 0.5 and 60 L/min.

3 Transport Planning Optional

hours
minutes

Include anticipated loading, travel, transfer of care, and foreseeable delays.

4 Estimated Oxygen Duration

Awaiting Settings
Enter pressure, FiO₂, and flow
O₂ Consumption—
Usable Oxygen—
Uses a 300 PSI safe residual. FiO₂ is included in the oxygen-consumption calculation.

Transport Assessment Guide

15+ min reserveAdequate supply
0–14 min reserveLimited reserve
Transport exceeds supplyInsufficient supply