There are a total of 204 squares on a standard 8x8 chessboard. This count includes all squares of different sizes, not just the 64 small 1x1 squares. Specifically, the total comes from adding:

• 64 (1x1 squares)
• 49 (2x2 squares)
• 36 (3x3 squares)
• 25 (4x4 squares)
• 16 (5x5 squares)
• 9 (6x6 squares)
• 4 (7x7 squares)
• 1 (8x8 square)

Summing these numbers yields 204 squares in total.