What is the size for unreal, lossing my mind over it

So i am trying to figure out the scale system, i am told cm but it seems like when i type 1 thinking its cm its not its way bigger then it is, like whats the scale thing like the players body is much bigger then 1 cm but why does it fit, im on ue 5.8 and im losing my mind trying to make the stuff but the mesurments is thoughing me off please help,

the default cube is 100cm, (1 meter). the player character is like 168cm or so from what i remember.

The scale is exactly 1uu - one Unreal Unit.

Epic did this so that you can put that in your pipe and smoke it :stuck_out_tongue:

People like to make it to 1uu = 1cm
a default cube is 100uu