How many balloons to lift a dog?

If you weigh 50 kilograms (about 110 pounds), then you weigh 50,000 grams. Divide your 50,000 grams by the 14 grams per balloon and you find that you need 3,571.42 balloons to lift your weight. You might want to add 500 more if you actually would like to rise at a reasonable rate. read more

One balloon that is 30 meters (about 100 feet) in diameter displaces 14,137,000 liters, so it can lift 14,000 kilograms (about 31,000 pounds) -- this is roughly the size of a large blimp. For a baby, you would need fewer than 4,000 balloons. read more

Example: 18" spherical balloon gives 0.1132 lb of lift. It will take 5/0.1132 = 44.17 It will take a minimum of 45 such balloons to get the dog off the ground. read more