Using HFNC, BiPAP, or a ventilator? Use the dedicated calculator instead.
1 Oxygen Source
PSI
Enter a tank pressure between 300 and 2500 PSI.
Enter a tank pressure between 300 and 2500 PSI.
2 Oxygen Flow
L/min
Enter the fixed oxygen flow rate being delivered to the patient.
Enter a flow rate greater than 0 L/min.
3 Transport Planning Optional
hours
minutes
Include anticipated loading, travel, transfer of care, and foreseeable delays.
Enter 0–24 hours and 0–59 minutes.
4 Estimated Oxygen Duration
Awaiting Settings
Enter pressure and flow
O₂ Flow Rate—
Usable Oxygen—
Uses a 300 PSI safe residual. Duration is based on the selected cylinder factor and entered fixed flow rate.
Transport Assessment
Transport Assessment Guide
15+ min reserveAdequate supply
0–14 min reserveLimited reserve
Transport exceeds supplyInsufficient supply