Oxygen Tank Duration Calculator
HealthEstimates how long an oxygen tank will last based on its size, pressure, and flow rate.
How to use this calculator
Start with your values, or try a preset.
Enter Tank Size (L), Tank Pressure (PSI), and Flow Rate (L/min) in the units shown.
Read Tank Volume (Liters), Estimated Duration (Minutes), and Estimated Duration (Hours:Minutes) in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
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Use the result as an estimate and confirm any medical decisions with a qualified professional.