Helium Balloon Calculator — Tank Size & Quantities
Work out helium tank size and balloon quantities for your party.
How We Calculate This
This calculator estimates helium tank requirements based on balloon quantities and types.
Formula
- Helium needed = (standard x 14L) + (foil x 20L)
- Effective balloons = standard + (foil x 1.4) for tank sizing
- Tanks needed = effective balloons / tank capacity
- Grand total = tank cost + balloon cost + ribbon
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Adjust quantities based on your guests and event type.