I'm not sure about this but bomb weightings in pounds are often nominal. Analogous to weapon caliber I guess. https://slate.com/news-and-politics/2006/06/how-h

I'm not sure about this but bomb weightings in pounds are often nominal. Analogous to weapon caliber I guess. https://slate.com/news-and-politics/2006/06/how-heavy-is-a-500-pound-bomb.html https://slate.com/news-and-politics/2006/06/how-heavy-is-a-5...