Strength has a very specific way of being ranked. It ranges from 0 to 10.
0: Nonexistent Being (A Ghost, Spirit)
1: Disabled Human and most small animals (Charles Xavier)
2: Average Human (You)
3: Pro Athelte (Mike Tyson)
4: "Enhanced" Being (Steve Rogers [Cap America]
5: Far Beyond Human (Sebastian Michaelis)
6: Superhuman (The Hulk)
7: God-Like (Goku, Superman)
8: Galaxy-Buster (Broly)
9: Godly (Odin)
10: Omnipotent (Chuck Norris)
Note: This only pertains to PHYSICAL strength.
Note.V2: There is such thing as Decimals, if you feel your character is right between two classes, feel free to use a .5
Note V3: Omnipotence is only attainable BY Chuck Norris. He's Watching.
Note V4: For a character to have 0 strength, it must be unable to exert any physical force upon ANYTHING