Three ONE THIRD cups in a cup.
one third a cup
That is 21.
Five and a third
In terms of US cups one third of cup is equal to 0.333333333 cups
1/3 cup (US) is about 78.86mL
A third means it is one part of three.
16 tsp
21.28 tbsp
That is 78.3 gm.
48
1 ___________________________________ one third cup + 1/2 of one third cup