Balloon Decorating Academy

Balloon planning guides, helium references, and event resources — built for decorators, event planners, and party supply buyers.

How many balloons do you actually need for an arch? What size helium tank covers 200 balloons? How long will they float? The HICO Academy answers the questions event planners, decorators, and DIY party builders search for every day — with reference tables, exact counts, and a free balloon calculator that does the math for you. No fluff, no guesswork — just the numbers you need to order with confidence.

Balloons covering the living room floor

How Many Balloons Does It Take to Fill a Room?

To fill a room floor with one layer of 11-inch balloons, divide square footage by 0.6. A 12x15 room needs…

Helium balloon float time example

Helium Balloon Float Time: How Long Will Your Balloons Last?

Standard 11-inch latex helium balloons float 8-12 hours untreated. With Hi-Float, 3-5 days. Foil balloons float 3-5 days without treatment.…

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