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How to convert letter to number or vice versa in Excel?

If you have a list of letters of an alphabet, and now you want to convert these letters to their relative numbers, such as A=1, B=2, C=3… And in other cases, you need to reverse this option to change the numbers to their associated letters. Have you ever tried to solve this task in Excel worksheet?

Convert letter to number with formula

Convert number to letter with formula


arrow blue right bubble Convert letter to number with formula


To convert the letters to relative numbers, you can use the following formula:

1. In a blank cell besides your data, for example, cell C2, please enter this formula: =COLUMN(INDIRECT(A2&1)),(A2 has the letter that you want to convert) see screenshot:

doc-convert-letter-to-number-1

2. Then drag the fill handle over to the range that you want to apply this formula, and the letters have been converted to their relative numbers as below screenshot shown:

doc-convert-letter-to-number-1


arrow blue right bubble Convert number to letter with formula

If you want to convert the integer numbers which are in the range of 1 to 26 to the corresponding letters, the following formula can do you a favor.

1. In a blank cell besides your data, for example, cell C2, please enter this formula: =MID("ABCDEFGHIJKLMNOPQRSTUVWXYZ",A2,1), (A2 has the number that you want to convert) see screenshot:

doc-convert-letter-to-number-1

2. Then drag the fill handle over to the range that you want to contain this formula, and the numbers have been converted to their relative letters as you need. See screenshot:

doc-convert-letter-to-number-1

Tip: If the number is not in the range of 1 to 26, the result will be showed as blank.


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  • To post as a guest, your comment is unpublished.
    Yusel · 7 months ago
    Why not save some time and use =ADDRESS(1,D2,4,1) function instead?
    ex. If the number is 12 and you use the above it will return L1
  • To post as a guest, your comment is unpublished.
    Hans · 8 months ago
    number to alphabet
    =MID("ABCDEFGHIJKLMNOPQRSTUVWXYZ",A2,1)

    alphabet to Number
    =SEARCH(UPPER(A1),"ABCDEFGHIJKLMNOPQRSTUVWXYZ",1)
  • To post as a guest, your comment is unpublished.
    kery · 10 months ago
    bagaimana menukarkan angka kepada perkataan.. contoh.. 432 akan ditukarkan kepada empat ratus tiga puluh dua..
  • To post as a guest, your comment is unpublished.
    Muhammad Sameer · 1 years ago
    Thanks very much bro. You saved a lot of my time
  • To post as a guest, your comment is unpublished.
    Shaji Nathan Panchal · 1 years ago
    If M=1, Y=2, S=3, O=4, R=5 and E=6..

    Then,
    In cell A1 if i enter "M", in cell A2 i should get "1"
    In cell A1 if i enter "MS", in cell A2 i should get "13"
    In cell A1 if i enter "OEY", in cell A2 i should get "462"