๐ Party & Events
Balloon Calculator
Helium tanks are rated in cubic feet, and a standard 11 inch latex balloon holds about half a cubic foot of gas. That single number is what lets you compare the price of a tank against buying pre-inflated balloons, which is where the real saving usually is.
How it works
Helium tank size
Balloon size
Cost of the tank
Balloons per pack
Cost per balloon pack
Helium per balloon
Balloons per tank
Cost per filled balloon
Balloon packs needed
Total to fill one tank
Frequently asked questions
How do I use the Balloon Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.