Bluebulb Projects presents:
The Measure of Things Logo
Enter a measurement to see comparisons



390 cubic feet is about one-two-hundredth as big as a Hot Air Balloon.
In other words, the size of a Hot Air Balloon is 200 times that amount.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 78,000 cubic feet. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
There's more!
Click here to see how other things compare to 390 cubic feet...