One cup is simple...one cup !
Three ONE THIRD cups in a cup.
nine
There are one cups in 1cup. If what you are really asking is, how many cups are in one liquid measuring cup, some of them hold one cup, some hold two, you have to look at what it says on the cup.
One cup, in average is a cup.
one cup one cup one cup
One fifth of one cup.
9 cups
one cup
if you pour one cup into the other cup you get a drink =)
one cup
Just one.
One cup in the morning and one cup in the evening.