Spanish DNI/NIE Check Letter
Enter the 8 digits of a Spanish DNI and get the corresponding letter from the TRWAGMYFPDXBNJZSQVHLCKE table. Or enter a full NIE (X/Y/Z + 7 digits) and check whether its letter is valid.
DNI or NIE number
The letter is calculated by dividing the number by 23 and using the remainder against the official table (TRWAGMYFPDXBNJZSQVHLCKE). If you enter a DNI/NIE that already includes a letter, it's checked for correctness.
Letter result
How to use: DNI/NIE letter
- 1Type the Spanish DNI or NIE number without the letter.
- 2The tool computes the letter with the official algorithm.
- 3Copy the full document number with its letter.
What is it for?
- Complete a DNI or NIE that is missing its letter.
- Check whether a NIF entered in a form is correct.
- Generate valid test data for applications.
The letter of the Spanish DNI/NIF
How it is calculated
The 8-digit number is divided by 23 and the remainder gives the letter in the sequence TRWAGMYFPDXBNJZSQVHLCKE. For example, remainder 0 corresponds to T.
NIE
In a foreigner's NIE the leading X, Y or Z is replaced by 0, 1 or 2 and the same calculation is applied.
Use
It helps catch typing errors in forms. It does not check that the document exists or belongs to anyone.
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Frequently asked questions
How does the letter table work?+
The number is divided by 23 and the remainder is used to pick the letter from the official table: TRWAGMYFPDXBNJZSQVHLCKE.