How many squares are there in the following image?

Question

Answer 1

There are a total of 79 squares.

Lets assume smallest square side length is 0.5 cms, then
Number of squares with side 0.5 cms: 30
Number of squares with side 1 cms: 16+11
Number of squares with side 1.5 cms: 2 + 3 + 2
Number of squares with side 2 cms: 9 + 1
Number of squares with side 2.5 cms: 0
Number of squares with side 3 cms: 4
Number of squares with side 3.5 cms: 0
Number of squares with side 4 cms: 1

Total: 79

Answer 2

There are 83 Squares.