DIRCALC
DIRCALC is a small (9kb) but powerful and fast program that displays the disk usage in bytes for any given directory.
Usage: DIRCALC [/D] [/S size] [/L levels] [/A] [directory_location]
/D Displays only the sizes of the DIRs, ommiting the FILEs
/S size Displays only FILEs and DIRs whose byte-size is = or > than given
/L level Displays the FILE and DIR sizes for the given level
/A Displays all files at all levels
HELP Displays the help, i.e. this page
Examples:
dircalc
dircalc C:\Users\Public\Desktop
dircalc /L 10 %temp%
dircalc /D \REMOTE\Folder\
dircalc /S 1000000
dircalc /A