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Converting Fractions to number Upload Images   Link   Email  
Garry Frank      
11 months ago
Is there a way to convert a fraction (i.e., Text string such as "1/5") to a number equivalent (0.20) in Access?  This works well in Excel, and if you have a database of recipes which normally would read "1/2" + the measurement, it is not easily read if you use the decimal equivalent, especially on a measurements that do not divide evenly into 1, such as 1/3 (0.3333...).  Yet, when creating a grocery list you need to know how much you need.
Alex Hedley              
11 months ago
Can't remember if it's covered in Math in Fields.
Adam Schwanz              
11 months ago
If not, you can use InStr to find the "/" then use something like Left to split the two sets of numbers and divide them.
Kevin Robertson            
11 months ago
Are these the results you are looking for (see screenshot)?
Kevin Robertson            
11 months ago

Kevin Robertson            
11 months ago
I updated the function to take into consideration values like '1 1/2', '5 2/4' and so on.
Also, Null values are also covered and will return a zero (0).

Public Function FracToDec(Fraction As Variant) As Double

    Dim FracArray() As String, SpacePos As Long, WholeNum As Long, MyFrac As String
    
    On Error GoTo ErrorHandler
    
    WholeNum = 0
    SpacePos = Nz(InStr(Fraction, " "), 0)
    
    If SpacePos > 0 Then
        WholeNum = Trim(Left(Fraction, SpacePos))
        MyFrac = Trim(Right(Fraction, Len(Fraction) - SpacePos))
    Else
        MyFrac = Nz(Fraction, 0)
    End If
    
    FracArray = Split(MyFrac, "/")

    If Not IsNull(Fraction) Then
        FracToDec = WholeNum + (Round(Val(FracArray(0)) / Val(FracArray(1)), 2))
    End If
    
    Exit Function
    
ErrorHandler:
    FracToDec = 0
    
End Function


The screenshot below shows the results.
Kevin Robertson            
11 months ago

Garry Frank OP      
11 months ago
Wow!  Thanks.  I appreciate the input.  Yes, the code is very helpful.

This thread is now CLOSED. If you wish to comment, start a NEW discussion in Access Expert 26.
 

 
 
 

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