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Rent the Right Size of Helium Tank
    Before you rent a helium tank, know how many balloons you will need, so you can determine the size of tank you will need to rent. The following charts should help you. Your local, ARA-affiliated rental store professionals also can assist you in renting the proper helium tank.
    Volume of Helium in Different Sizes
    of Latex Balloons
     Balloon Sizes Balloon Volume 
     9″  .27 cu. ft.
     10″  .30 cu. ft.
     11″  .50 cu. ft.
     12″  .52 cu. ft.
     14″  1 cu. ft.
     
     Number of Balloons Different
    Helium Tanks Can Inflate
    Tank
    Size 
     Number of Latex Balloons of Different Sizes
     9″ 10″ 11″ 12″ 14″
     50 cu. ft.  170 150 100 85 50
     80 cu. ft.  280 150 130 95 80
     120 cu. ft.  390 370 240 225 120
     195 cu. ft.  721 650 390 375 195
     213 cu. ft.  788 710 426 409 213
     242 cu. ft.  895 806 484 465 242
     285 cu. ft.  1,054 995 570 548 285
      Contact your local, ARA-affiliated, rental store for information on available rental products and services to meet your helium tank needs. To locate the rental store nearest you, use the Rental Store Quick Locator above. Related articles: Tips for Using a Rented Helium Tank