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Excel IF Function
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The IF function runs a logical test and returns one value for a TRUE result, and
another value for a FALSE result. The first argument, logical_test, is an expression
that should return either TRUE or FALSE. The second argument, value_if_true, is
the value to return when logical_test returns TRUE. The last
argument, value_if_false, is the value to return when logical_test returns FALSE.
Both value_if_true and value_if_false are optional, but at least one of them must be
provided. The result from IF can be a value, a cell reference, or even another
formula.
Pass or Fail example
In the worksheet shown above, we want to assign either "Pass" or "Fail" based on
a test score. A passing score is 70 or higher. The formula in D6, copied down, is:
=IF(C5>=70,"Pass","Fail")
Translation: If the value in C5 is greater than or equal to 70, return "Pass". Otherwise,
return "Fail".
Note that the logical flow of this formula can be reversed. This formula returns
the same result:
Translation: If the value in C5 is less than 70, return "Fail". Otherwise, return "Pass".
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Both formulas above, when copied down, will return correct results.
Note: If you are new to the idea of formula criteria, this article explains many examples.
Assign points based on color
In the worksheet below, we want to assign points based on the color in column B.
If the color is "red", the result should be 100. If the color is "blue", the result
should be 125. This requires that we use a formula based on two IF functions, one
nested inside the other. The formula in C5, copied down, is:
=IF(B5="red",100,IF(B5="blue",125))
Translation: IF the value in B5 is "red", return 100. Else, if the value in B5 is "blue",
return 125.
Assign points based on color with the IF
function
There are three things to
notice in this example:
1. The formula will return FALSE if the value in B5 is anything except "red" or
"blue"
2. The text values "red" and "blue" must be enclosed in double quotes ("")
3. The IF function is not case-sensitive and will match "red" or "Red" or "RED"
This is a simple example of "nested IFs"; see below for a more complex example.
Return another formula
The IF function can return another formula as a result. For example, the formula
below will return A1*5% when A1 is less than 100, and A1*7% when A1 is greater
than or equal to 100:
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Nested IF statements
The IF function can be "nested". A "nested IF" refers to a formula where at least
one IF function is nested inside another in order to test for more conditions and
return more possible results. Each IF statement needs to be carefully "nested"
inside another so that the logic is correct.
For example, the following formula can be used to assign a grade rather than a
pass / fail result:
=IF(C6<70,"F",IF(C6<75,"D",IF(C6<85,"C",IF(C6<95,"B","A"))))
Up to 64 IF functions can be nested. However, in general, you should consider
other functions, like VLOOKUP or HLOOKUP for more complex scenarios,
because they can handle more conditions in a much more streamlined fashion.
Note: the newer IFS function is designed to handle multiple conditions without nesting.
Logical operators
When you are constructing a test with IF, you can use any of the following logical
operators:
Comparison operator Meaning
Example
=
equal to
A1=D1
>
greater than
A1>D1
>=
greater than or equal to A1>=D1
<
less than
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A1
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<=
less than or equal to
A1<=D1
<>
not equal to
A1<>D1
The IF function doesn't support wildcards, but you can combine IF with
COUNTIF to get basic wildcard functionality.
IF with AND, OR, NOT
The IF function can be combined with the AND function and the OR function.
For example, to return "OK" when A1 is between 7 and 10, you can use a formula
like this:
=IF(AND(A1>7,A1<10),"OK","")
Translation: if A1 is greater than 7 and less than 10, return "OK". Otherwise, return
nothing ("").
To return B1+10 when A1 is "red" or "blue" you can use the OR function like this:
=IF(OR(A1="red",A1="blue"),B1+10,B1)
Translation: if A1 is red or blue, return B1+10, otherwise return B1.
=IF(NOT(A1="red"),B1+10,B1)
Translation: if A1 is NOT red, return B1+10, otherwise return B1.
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More information
Notes
The IF function is not case-sensitive.
To count values conditionally, use the COUNTIF or the COUNTIFS
functions.
To sum values conditionally, use the SUMIF or the SUMIFS functions.
If any of the arguments to IF are supplied as arrays, the IF function will
evaluate every element of the array.
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