Helium Balloon Weight Chart
Never worry about your balloons floating away—or dragging down your décor. Use our free Balloon Weight Calculator to instantly see exactly how many grams of ballast you need per balloon and get a product recommendation that fits your style and budget.
How to Use the Helium Balloon Weight Recommender
Choose your balloon type and size to show grams required.
• Instantly get your total helium balloon weight recommendation!
• View top-rated balloon weights on Amazon (see below)
• The tool works for latex and foil balloons in most sizes (9", 11", 12", 18" foil, etc).
This Tool is Designed For:
• Event planners
• Small party decorators
• DIY customers estimating tank needs
• Schools or fundraisers preparing installations
Party Like a Pro
To help families, event planners, and decorators create unforgettable moments using trusted helium balloon tips, tools, and supplies.
Know How Much Helium You Need
To simplify party planning with our free online helium balloon calculator — estimate how many helium tanks you need for any balloon setup.
Find Top-Rated Helium Tanks & Balloon Supplies
To guide you to the best helium tanks, latex balloons, and accessories available from fast, affordable, and Amazon-approved sellers.
Disclosure: Affiliate links included. Creative Balloons Mfg. Inc. partners with several affiliate programs, meaning that we may earn a commission from purchases/clicks by those who visit this site at no additional cost to you.
| Balloon Type | Estimated Grams Needed | Recommended Balloon Weights |
|---|---|---|
| 9" Latex Balloon (0.22m) | 5g | 8g Happy Weight |
| 10" Latex Balloon (0.25m) | 6g | 8g Happy Weight |
| 11" Latex Balloon (0.27m) | 7g | 8g Happy Weight |
| 12" Latex Balloon (0.30m) | 8g | 8g Happy Weight |
| 14" Latex Balloon (0.35m) | 10g | 15g Happy Weight |
| 16" Latex Balloon (0.40m) | 12g | 15g Happy Weight |
| 17" Latex Balloon (0.43m) | 14g | 15g Happy Weight |
| 18" Latex Balloon (0.45m) | 15g | 15g Happy Weight |
| 18" Round/Heart/Square Foil Balloon (0.45m) | 15g | 15g Happy Weight |
| 20" Star Foil Balloon (0.50m) | 16g | 15g Happy Weight |
| 22" Bubble Balloon | 18g | 35g Bubble Weight |
| 3-D 15" Orbz / 17" Cubez / 17" Diamond | 20g | 35g Bubble Weight |
| 36" Round Foil Balloon (0.91m) | 30g | 35g Bubble Weight 100g Heavy Happy Weight |
| 36" Heart Foil Balloon (0.91m) | 30g | 35g Bubble Weight 100g Heavy Happy Weight |
| 36" Star Foil Balloon (0.91m) | 30g | 35g Bubble Weight 100g Heavy Happy Weight |
Our easy-to-use Balloon Weight Calculator takes the guesswork out of choosing the right weight for your helium-filled balloons. Whether you're inflating a single latex balloon or building a large balloon bouquet, this tool helps you instantly estimate how many grams are needed and which balloon weight product will keep your display grounded (indoors).
Use our Balloon Weight Chart to determine how much lift your helium balloon has—and what weight meets or exceeds that requirement. Perfect for event planners, decorators, and anyone prepping for parties or retail displays. These are standard estimates; actual performance may vary depending on conditions like indoor vs. outdoor use, balloon material, and helium purity.