welcoming a new arrival? A balloon garland is the #1 must-have decor for modern baby showers. Whether you are planning a "Oh Baby" backdrop or a gender reveal arch, this calculator tells you exactly how many 5", 11", and 18" balloons to buy.
Design your dream arch without the math
Select an Accent (Pop) Color:
Air-filled garlands last for weeks indoors. Make your NYE garland on Dec 29th or 30th to save stress!
These picks help a 10-foot garland inflate faster, hang cleaner, and look more finished once you start layering in filler balloons.
These are the tools that save the most time when you are building a garland from scratch.
Best pick for inflating 0 balloons quickly so setup stays fun instead of turning into a long chore.
Best for garlands over 8 feet
Upgrade pick if you want the tying tools, strip, and helper pieces bundled together for a first-time install.
Best for first-time DIY hosts
These help the finished garland stay up neatly without bulky tape jobs or wall damage.
Best pick for anchoring a backdrop or doorway when you want a cleaner setup than masking tape can give you.
Best for indoor walls and mantels
Budget pick for hidden support points so organic sections do not sag once the garland is lifted into place.
Best for staircase and outdoor installs
These are the little supplies that make a garland look layered and intentionally styled.
Best pick for tucking in 5-inch fillers and closing visual gaps after the main body is already assembled.
Best for organic and lush styles
Budget base layer that gives your balloon recipe a strong spine before you start adding texture balloons.
Best for 6-20 foot garlands
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Expert Note
Organic garlands look fuller because they mix sizes and rely on tucked-in fillers to hide seams. That style always needs more support tools than a standard spiral because the shape is intentionally uneven.
The base build gets you most of the structure, but glue dots, line, and hooks are what make the final install look custom instead of homemade. They also help you adjust the shape after the garland is already hanging.
welcoming a new arrival? A balloon garland is the #1 must-have decor for modern baby showers. Whether you are planning a "Oh Baby" backdrop or a gender reveal arch, this calculator tells you exactly how many 5", 11", and 18" balloons to buy. Balloons are the most cost-effective way to transform any venue. This calculator helps you buy the exact number of balloons needed for your specific arch or garland size, saving you from last-minute panic runs to the party store.
Always buy 10-15% more balloons than calculated to account for popping during assembly. Our calculator includes a small buffer, but extra backups never hurt!