You didn't mention a version nor a platform so I'll assume 14.0.
A little math gets you space requirements of
ALL - KDE - KDEI.
I put together this table instead of just answering the poster's
exact request in case other slackers find the info valuable.
Code:
Slackware 14.0
32-bit 64-bit
a 371.2 M 317.5 M
ap 315.1 M 322.1 M
d 795.8 M 850.7 M
e 99.1 M 108.1 M
f 32.0 M 32.0 M
k 445.0 M 444.9 M
kde 1205.3 M 1226.6 M
kdei 840.0 M 840.0 M
l 1404.0 M 1439.5 M
n 356.5 M 364.2 M
t 254.1 M 256.5 M
tcl 12.9 M 13.3 M
x 346.4 M 346.0 M
xap 488.2 M 498.6 M
xfce 51.3 M 51.8 M
y 5.4 M 5.6 M
----- ---------- ----------
TOTAL 7022.4 M 7117.2 M
--mancha