 So that you don't have to figure it out in grams and things like that. You just say how many pounds you weigh? And then there's the lumber system. Is there a lumber system also? Yeah. Well, if you buy a 2x4, it'll be 1 1⁄2 by 1 1⁄2 or something like that. It's not a 2x4. They don't make them anymore.