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How to convert letter grade to number in Excel?

Author Sun Last modified

If you have a sheet which contains student names and the letter grades, now you want to convert the letter grades to the relative number grades as below screenshot shown. You can convert them one by one, but it is time-consuming while there are so many to convert. Here I introduce two methods to quickly deal with this job in Excel.
a screenshot showing the letter grades and the corresponding numbers

Convert letter grade to number with VLOOKUP funtion

Convert letter grade to number through a handy tool

Sample file


Before using VLOOKUP function to convert letter grade to number, you need to create a sheet which contains letter grades and their relative number grades as below screenshot shown:
a screenshot of the original data


Convert letter grade to number with VLOOKUP funtion

Select the cell you want to place the number grade, type this formula

=VLOOKUP(B2,GPA!$A$2:$B$14,2,FALSE)

Press Enter key. Then drag the fill handle down to apply this formula to cells.
a screenshot of using the VLOOKUP function to convert letter grades to numbers

In the formula, B2 is the letter grade you want to convert to number, GPA is the sheet name contains number grade, $A$2:$B$14 is the letter grade and number grade column range, 2 indicate to return value in the second column.

With the formula, you need to change the refences to match your data, which may cause some mistake if you are not familiar with formulas. In this case, you can try below method, what you need to do is select data range and output range, the rest is up to the handy tool.


Convert letter grade to number through a handy tool

There is a group tools of Super LOOKUP in Kutools for Excel, you can use its LOOKUP Across Multiple Sheets tool to quickly handle this job.

After free installing Kutools for Excel, please do as below:

1. Click Kutools > Super LOOKUP > LOOKUP Across Multiple Sheets.
a screenshot of enabling the LOOKUP Across Multiple Sheets feature

2. In the LOOKUP Across Multiple Sheets dialog, do as below:

1. Select the lookup values range and output range.
a screenshot of configuring the feature

2. Click Add button to add the data range, in the Add Data Range dialog, specify the key column and return column. Then click OK, the data range has been list in the LOOKUP Across Multiple Sheets dialog.
a screenshot of selecting the original data range
a screenshot showing the added range

3. Click OK, now the results have been displayed. At the same time, a dialog pops out to ask you if save this lookup operation as scenario for reuse next time, click Yes or No as you need.
a screenshot asks whether to save the scenario
a screenshot of the result


Sample file

Click to download sample file


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