alt kat

10^-1=desimetre(dm)
10^-2=santimetre(cm)
10^-3=milimetre(mm)
10^-6=mikrometre(Mm)
10^-9=nanometre(nm)
10^-12=pikometre(pm)
10^-15=femtometre(fm)
10^-18=attometre(am)
10^-21=zeptometre(zm)
10^-24=yoktometre(ym)