Rhett Allain of Wired.com was asked this question: "How much bubble wrap would you need to wrap yourself in if you wanted to jump out of a first story window and survive?"
Spoiler Alert: Here's his answer:
I am going to go with 39 layers of bubble wrap. Should you actually do this? No. Don’t do this. Well, I guess you could do this with a dummy or something.
One more quick question. I wonder how much bubble wrap you would need to survive jumping out of a plane. You might not need too much more since all that bubble wrap would also slow your terminal speed down.
To see the science and math behind this answer: