How much cake batter for 7x3 and 11x3 round cake pan?

4" x 3"--1 1/3 - 1 1/2 c batter

6" x 3"--3 c batter

8" x 3"--5 c batter

9" x 3"--6 1/3 - 6 1/2 c batter

10" x 3"--8 c. batter

12" x 3"--10 1/2 c batter

These are the measurements for a two layer cake. Half goes in each pan.