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Cylinder Sizes

We often get asked for height and weight measurements of helium cylinders. Whether you're renting or purchasing, it's good to know exactly what you're getting. It needs to meet your needs with regards to output, but in many cases, it also needs to be easily transported.

If you plan to be mobile while using your cylinder, make sure it's something you're comfortable transporting. Will you be able load it into a vehicle unassisted? If not, will someone be available to help you? Do you plan on transporting it a lot or just occasionally? These are just a few questions to ask yourself when deciding on a cylinder size. Consider the following information to assist in your decision-making.


Small Cylinder

  • 55 cu. ft.
  • Inflates approximately 65 12" latex balloons
  • Stands 27" tall and is approximately 8.5" in diameter
  • Weighs in at 26 lbs.* (aluminum cylinder)

Medium Cylinder

  • 125 cu. ft.
  • Inflates approximately 200 12" latex balloons
  • Stands 48" tall and is approximately 7" in diameter
  • Weighs in at 75 lbs.* (steel cylinder)

Large Cylinder

  • 200 cu. ft.
  • Inflates approximately 400 12" latex balloons
  • Stands 56" tall and is approximately 10" in diameter
  • Weighs in at 150 lbs.* (steel cylinder)

Please also check out our blog post on general helium safety, as it includes safety tips for transporting cylinders.



*Cylinder weight varies minutely when filled with helium.


Written by: Miriam E. Medellin

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