How long do helium balloons float?

Answer According to Balloon Time, helium-filled balloons float for an average of 13.2 hours. However, this varies, depending on a number of factors. These factors include how much helium is put into the b... Read More »

Top Q&A For: How long do helium balloons float

Why do balloons filled with helium float?

Helium-filled balloons float because the helium inside them weighs less than the atmosphere outside them. This effect causes the heavier air to overcome the balloon's gravity, making it float."Ligh... Read More »

Why do helium filled balloons lose their float?

Balloons filled with helium gas are popular at birthdays, holidays and anniversaries because they float. Helium is also used to inflate dirigibles and huge balloons used to advertise a product or ... Read More »

How many helium balloons does it take to float a 30-pound child?

In the "Mythbusters" episode "Pingpong Rescue," the Mythbusters found that it took 3,000 balloons to lift 37 lbs., and 3,500 balloons to lift a 44-lb., 4-year-old child. The number of balloons it t... Read More »

How long do helium balloons stay up?

It depends on the size of the balloon; an 11" latex balloon filled with helium will float about 17 hours while a 9" latex balloon filled with helium will float for only 2-3 hours.Source:Balloons ar... Read More »