02 Cylinder Duration Calculator

Simplifies Oxygen (O2) Use

Easy to use online calculator for oxygen cylinder duration estimation.  The free calculator is ideal for technicians, therapists, patients and caregivers to easily calculate the approximate available oxygen remaining in an oxygen cylinder, based on the patient’s device and cylinders size & contents.

Peace of Mind at Your Fingertips

Adjustable settings for a precise readout. Simply input your device type (Conserver or Regulator), Liter Flow Setting, Cylinder Size and Approximate Fill Level to calculate the approximate cylinder duration.

Easy to Use!

Use our online O2 Cylinder Duration Calculator below or download the PDF for free:

Click to download a printable duration chart

02 Cylinder Duration Web Calculator

Input your Device Type, Liter Flow Setting, Cylinder Size and Approximate Fill Level to calculate the approximate cylinder duration.