Yes, I don't know if it is installed by default, I don't use KDE, but if not you can use the GUI app QTParted. It's the KDE equivalent to GParted in Gnome.
You can also just use Parted... (type 'sudo parted' in a terminal)
K.I.S.S. ===> "Keep It Simple, Stupid"
"Simplicity is the ultimate sophistication." (Leonardo da Vinci)
"Everything should be made as simple as possible, but no simpler." (Albert Einstein)