Here are some common Excel formulas and how to use them:
1. SUM
- Purpose: Adds up a range of cells.
- Formula:
=SUM(A1:A10)
- Usage: Adds all the numbers in cells A1 through A10.
2. AVERAGE
- Purpose: Calculates the average of a range of cells.
- Formula:
=AVERAGE(A1:A10)
- Usage: Finds the average value of the numbers in cells A1 through A10.
3. COUNT
- Purpose: Counts the number of cells that contain numbers.
- Formula:
=COUNT(A1:A10)
- Usage: Counts how many cells in the range A1 through A10 contain numeric data.
4. COUNTA
- Purpose: Counts the number of non-empty cells.
- Formula:
=COUNTA(A1:A10)
- Usage: Counts how many cells in the range A1 through A10 contain any data (numbers, text, etc.).
5. IF
- Purpose: Returns one value if a condition is true and another if it is false.
- Formula:
=IF(A1>10, "Yes", "No")
- Usage: Checks if the value in A1 is greater than 10. If true, it returns “Yes”; otherwise, it returns “No.”
6. VLOOKUP
- Purpose: Looks for a value in the first column of a range and returns a value in the same row from another column.
- Formula:
=VLOOKUP(B1, A1:C10, 3, FALSE)
- Usage: Searches for the value in B1 within the range A1and returns the value from the third column of the range.
7. HLOOKUP
- Purpose: Similar to VLOOKUP but searches for the value in the first row and returns a value in the same column from another row.
- Formula:
=HLOOKUP(B1, A1:Z3, 2, FALSE)
- Usage: Searches for the value in B1 within the range A1and returns the value from the second row of the range.
8. INDEX and MATCH
- Purpose: A more flexible alternative to VLOOKUP/HLOOKUP.
INDEX
returns the value of a cell in a given range based on row and column numbers, andMATCH
returns the position of a cell in a row or column. - Formula:
=INDEX(A1:A10, MATCH(B1, B1:B10, 0))
- Usage: Looks up the value in B1 within the range B1and returns the corresponding value from the range A1.
9. CONCATENATE (or CONCAT)
- Purpose: Combines multiple text strings into one.
- Formula:
=CONCATENATE(A1, " ", B1)
- Usage: Combines the text in cells A1 and B1 with a space in between.
10. TEXT
- Purpose: Formats a number and converts it to text.
- Formula:
=TEXT(A1, "0.00")
- Usage: Formats the number in A1 to two decimal places and converts it to text.
11. LEFT, RIGHT, MID
- Purpose: Extracts a specified number of characters from a text string.
- Formulas:
=LEFT(A1, 5)
(Extracts the first 5 characters from A1)=RIGHT(A1, 3)
(Extracts the last 3 characters from A1)=MID(A1, 2, 4)
(Extracts 4 characters starting from the second character in A1)
12. TRIM
- Purpose: Removes extra spaces from text except for single spaces between words.
- Formula:
=TRIM(A1)
- Usage: Cleans up the text in A1 by removing extra spaces.
13. LEN
- Purpose: Returns the number of characters in a text string.
- Formula:
=LEN(A1)
- Usage: Counts the number of characters in the text in cell A1.
14. NOW
- Purpose: Returns the current date and time.
- Formula:
=NOW()
- Usage: Displays the current date and time.
15. TODAY
- Purpose: Returns the current date.
- Formula:
=TODAY()
- Usage: Displays today’s date.
These formulas are the foundation of many tasks in Excel, from basic arithmetic to complex data manipulation.