The Measure of Things logo The Measure of Things logo

Is 4,000,000 acre feet as big as a Hot Air Balloon?

It's about 2,000,000 times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 1.80 acre feet.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 1.80 acre feet. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
There's more! See other comparisons to 4,000,000 acre feet...