How many Actual kilobytes are there in an actual gigabyte?

1024

0 it's not even half a gig

10 GB = 1024 x 10 Megabytes10240 Megabytes = 10240 x 1024 KB = 10485760

There are about 15.3 GB in 16000000 KB.

1 GB = 1024 Mb & 1 Mb = 1024 Kb => 716000 Kb/1024 = 699,21875 Mb => 699,21875 Mb /1024 = 0,682830810546875 GB