ok thank u. i just needed to know they r kinda small yet. i dont know how big a centimeter is. this is what i found online.
this is the average size of a male guppy without the lenght of the tail.
newborn: 6mm
one week: 7 mm
two weeks: 1 cm
one month: 1.5 cm
two months: 2 cm
three months: 2.5 cm
six months: 3- 3.3 cm
full grown: 3.5- 4 cm
but it varys on water quality