Top 10 Most Important Excel Formulas - Made Easy!

The AVERAGE function calculates the average of a range of numbers. You can apply it to a column of data by highlighting the cells or directly input numbers separated by commas. For example, to average 100, 200, and 300, you would type =AVERAGE(100, 200, 300).

The SUM function adds up a range of numbers. Similar to AVERAGE, you can highlight a column of data or list specific numbers to sum. For instance, =SUM(100, 200, 300) sums these three numbers, or you can use plus signs like =100+200+300.

The SUMIF function calculates the sum of numbers that meet a specific criterion. For example, to sum the values for 'Mazda' vehicles, you would use =SUMIF(range_of_car_types, "Mazda", range_of_values). This allows for conditional summation based on text or numerical criteria.

The COUNT function counts the number of cells in a range that contain numbers. It will return zero if used on a range containing only text. For example, if a column has 10 numerical entries, COUNT will return 10.

The COUNTA function counts the number of cells in a range that are not empty, regardless of whether they contain numbers or text. This function is useful for getting a total count of all populated cells.

The COUNTBLANK function specifically counts the number of empty cells within a specified range, which is the opposite of COUNTA.

The COUNTIF function counts the number of cells within a range that meet a single specific criterion. For instance, to count how many times 'Toyota' appears in a list of car types, you would use =COUNTIF(range_of_car_types, "Toyota").

The CONCATENATE function joins two or more text strings into one string. It's commonly used to combine first and last names from separate cells, adding spaces or other characters between them using quotation marks. For example, =CONCATENATE(B2, " ", C2) combines the content of B2 and C2 with a space in between.

The IF function checks whether a condition is met and returns one value if true and another value if false. It can be used for logical tests with text, numbers, or to perform different calculations based on the condition. For example, =IF(B3="Orange", "True", "False") or performing a calculation like =IF(B9>30, B9*10, 0).

The VLOOKUP function searches for a value in the first column of a table and returns a value in the same row from a specified column. It's powerful for retrieving associated data like email, phone number, or revenue for a specific individual. A dropdown list, created using Data Validation, can be integrated with VLOOKUP to easily select names and automatically update corresponding information.