Formulas - 2026-05-12

How to Use the IF Function in Excel

Learn the Excel IF function with practical examples for pass/fail results, status labels, nested IF formulas, AND/OR logic, and common mistakes.

What the IF Function Does

  • The IF function returns one result when a condition is TRUE and another result when the condition is FALSE. It is one of the most searched and most used Excel formulas because it turns spreadsheet logic into clear decisions. Basic syntax: \\\ =IF(logical_test, value_if_true, value_if_false) \\\ Example: \\\ =IF(B2>=70,"Pass","Fail") \\\ If B2 is 70 or higher, Excel returns Pass. Otherwise, it returns Fail.

Example 1: Pass or Fail

  • Use IF to classify scores: \\\ =IF(B2>=60,"Pass","Fail") \\\ This is useful for tests, audits, quality checks, and threshold-based reviews.

Example 2: Paid or Unpaid

  • If a payment date exists, mark the invoice as paid: \\\ =IF(C2<>"","Paid","Unpaid") \\\ The <> operator means "not equal to". In this example, C2<>"" means C2 is not blank.

Example 3: IF with AND

  • Use AND when multiple conditions must all be true. \\\ =IF(AND(B2>=70,C2="Complete"),"Approved","Review") \\\ This returns Approved only when the score is at least 70 and the status is Complete.

Example 4: IF with OR

  • Use OR when any condition can be true. \\\ =IF(OR(B2="Urgent",C2>10000),"Review","OK") \\\ This is useful for exception reporting.

Nested IF vs IFS

  • Nested IF formulas can become hard to read: \\\ =IF(B2>=90,"A",IF(B2>=80,"B",IF(B2>=70,"C","D"))) \\\ If your Excel version supports IFS, use it for multiple conditions: \\\ =IFS(B2>=90,"A",B2>=80,"B",B2>=70,"C",TRUE,"D") \\\

Common IF Mistakes

  • Forgetting quotes around text results Mixing numbers stored as text with real numbers Creating nested IF formulas that are too hard to maintain Reversing value_if_true and value_if_false

Related Guides

  • IF function IFS function AND function OR function Excel IF Functions Guide

Decision Table for IF Formulas

  • Before writing an IF formula, define the business rule in plain English. Business rule Formula pattern Score 70 or higher passes =IF(B2>=70,"Pass","Fail") Blank means incomplete =IF(A2="","Incomplete","Complete") Two requirements must pass =IF(AND(B2>=70,C2="Yes"),"Approved","Review") Either condition can trigger review =IF(OR(B2="High",C2>10000),"Review","OK")

Expert Guidance

  • Use IF for one clear decision. Use AND and OR inside IF for multiple tests. Use IFS when you have several ordered outcomes. If the formula starts becoming hard to explain, create helper columns.

Common Mistakes to Avoid

  • Returning numbers as text when later formulas need numeric values Using nested IF formulas where IFS or lookup tables would be clearer Forgetting quotes around text results Testing blanks with a single space instead of an empty string Hiding errors with IFERROR instead of fixing the condition

Frequently asked questions

  • What is the IF function in Excel? IF is a logical function that returns one result when a condition is true and another result when the condition is false.
  • Can I use IF with multiple conditions? Yes. Use AND inside IF when all conditions must be true, or OR when any condition can be true.
  • How many IF statements can I nest in Excel? Modern Excel supports many nested IF levels, but formulas become hard to maintain quickly. Use IFS, SWITCH, or a lookup table when logic has many outcomes.
  • Should an IF formula return text or numbers? Return numbers when the result will be used in calculations. Return text only for labels, statuses, and user-facing messages.