Re-index the drive: Spotlight- How to re-index folders or volumes - Apple Support. The display is not reliable unless the drive has been re-indexed.
Mac Os Catalina Size On Disk
Jan 21, 2014 Most of the time, the values for ‘Size’ and ‘Size on disk’ will be very close to matching when checking a folder or file’s size, but what if there is a huge discrepancy between the two? Today’s SuperUser Q&A post looks at the answer to this confusing problem. Disk Utility was overhauled in Mac OS X El Capitan when it got a redesign and many of the features evolved or were removed. There are also a few changes in macOS High Sierra thanks to the new file. Open the System information and select the storage. In the right-side panel, you will see the respective format for each volume on your Mac. If you want to erase your disk before you install the latest High Sierra on your Mac for the first time, then opt-out for the Mac OS Extended format.
There is no such thing as a normal 'system' size since it varies widely from user to user. If you need to clear files from the drive then see this: Terraria inventory editor 1.2.2 download.