Is 681 centiliters as big as a Hot Air Balloon?
It's about one-three-hundred-thousandth as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 220,000,000 centiliters.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 220,000,000 centiliters. 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 681 centiliters...