[cody@Arch2014p9 ~]$ aurt -T30
  
:: Top 30 packages by size 

412.01  MiB  libreoffice-still
330.20  MiB  go
268.75  MiB  linux-firmware
156.75  MiB  github-desktop-git
152.39  MiB  boost
152.29  MiB  firefox-nightly
142.66  MiB  firefox
132.32  MiB  nvidia-340xx-utils
129.38  MiB  python
123.86  MiB  gcc
122.85  MiB  electron
111.91  MiB  linux
103.54  MiB  virtualbox
 98.40  MiB  ghc-libs
 91.97  MiB  gcc-libs
 82.94  MiB  qt4
 77.75  MiB  kodi
 72.44  MiB  python2
 70.03  MiB  gtk3
 66.76  MiB  gimp
 61.21  MiB  llvm-libs
 57.78  MiB  qt5-base
 56.44  MiB  vlc
 56.22  MiB  mesa
 54.74  MiB  ttf-ms-win10
 54.48  MiB  libmwaw
 52.19  MiB  dbus-x11
 51.92  MiB  perl
 50.50  MiB  ghostscript
 48.62  MiB  qt5-webkit

[cody@Arch2014p9 ~]$