How many checkers is the maximum in Chinese checkers?

There are 24 checkers pieces in a game of checkers.

A Chinese checkerboard has 121 holes

At the beginning of the game, there are 40 spaces that don't have checkers on them.

If you mean "How many squares are on a checker-board?" then: There are 32 red squares and 32 black squares, making a total of 64 squares. If you mean "How many pieces are on a checker-board?"...

Twenty-four (24) is the total number of pieces in a standard game of checkers. One player is allowed 12 pieces in one color. The other player is allowed 12 in another.