» COUNT Formulas

The COUNT formula comes in several forms:

Count:
Counts the number of cells containing numbers, as well as numbers within the list of arguments.

CountA:
Counts the number of cells that are not empty, as well as the values within the list of arguments.

CountBlank:
Counts empty cells in a specified range of cells.

CountIf:
Counts using criteria, as shown in the sample screenshot.
Screenshot // COUNT Formulas