Why is my iPhoto Library size so much bigger than its contents? I've stopped using iPhoto and want to extract my Originals and trash the library itself. After I pulled out my originals, I noticed that they're nowhere near the 8GB iPhoto Library size Finder is reporting. So I checked the package contents, and selecting everything including hidden files, the total size is only 1GB. I copied everything out to be sure, also 1GB. du -hs from Terminal, also 1GB.

Any thoughts why Finder thinks it's taking up 8GB of space?
Go to your iPhoto Library and right-click on it and select "Show Contents".
Then sort by List (Command+2).
Then go to Finder-View--Show View Options (Command+J) and select "Calculate all sizes"

It will count up all the folder/file sizes and you can see what is taking up space where.