Size of a directory in Windows

Question

Is there a command to get the size of a directory in Windows? The result should only give the size and nothing else. The command dir gives a lot of information.

Answer 1

@echo off
setLocal EnableDelayedExpansion
set /a value=0
set /a sum=0
FOR /R %1 %%I IN (*) DO (
set /a value=%%~zI/1024
set /a sum=!sum!+!value!
)
@echo !sum!