thank you

Could someone please tell me approximately how high an average floating floor would be from the cement slab of my floor approximately how thick, taking into account any under lay or insulation ?

G'day I am curious about my laundry floor, I have removed the old tiles and am going to lay new tiles, but the floor is very uneven, in some parts the floor adhesive previously was in some parts 2 inches thick and some parts not even a centimetre thick, I do not want to replicate that but know that ...