Calculate how long an oxygen tank will last based on flow rate.
Tank Settings
Time Remaining
Duration
4h 12m
Total: 252 minutes
Tank Factor0.28
About this calculator
Overview
Oxygen tank duration depends on tank size, pressure, and flow rate. Essential for medical oxygen planning, diving, and emergency preparedness. Safety margin recommended.
💡
Pro Tips
E-cylinder: 0.28 factor; D-cylinder: 0.16.
Always keep 200 PSI reserve.
Higher flow rates reduce duration proportionally.
Temperature affects tank pressure.
!
Fun Facts
"Full E-cylinder: 625 liters oxygen."
"2 LPM flow: E-cylinder lasts ~5 hours."
"Medical oxygen: 99%+ purity."
"Tanks require hydrostatic testing every 5 years."
