Is 197 milliliters as big as a Hot Air Balloon?
It's about 0.00000009 times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 2,200,000,000 milliliters.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 2,200,000,000 milliliters. 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 197 milliliters...