What is the Average Cost of Helium per Gram/Cubic Foot? Average Price

The cost of helium depends on a number of factors. Firstly, one must decide what grade of helium to use. For the type of helium used to inflate balloons and such, the cost is typically around $2 per cubic foot. This type of helium can be bought at any department store or party store. If you are in need of helium for welding or similar uses, a larger supply would cost upwards of $200.