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Helium Balloons Calculator
Calculate required helium volume, balloon count, and tank requirements
Helium Formula: Calculates total balloon count and helium volume required (approx. 0.25 $\text{cu. ft.}$ per 9-inch balloon or 0.5 $\text{cu. ft.}$ per 11-inch balloon). Enter your party requirements below.
Balloon Event Parameters Input
Calculation Results
⚠️ Always inflate balloons close to the time of the event, as standard latex balloons lose helium float time within 8 to 12 hours unless treated with Hi-Float.