Helium Capacity & Float Times

SOLID LATEX BALLOONS (without confetti)

Inflated Balloon Size

Helium Capacity

Avg. Float Time
 5 inch .06 cu ft none
11 inch / 12 inch .5 cu ft 16 hours
16 inch 1.5 cu ft 30 hours
18 inch 2 cu ft 36 hours
30 inch 8 cu ft 3 days
36 inch 15 cu ft 3 days