Free · GI · 23 characters

Gibraltar IBAN Calculator

Enter the bank code, account number to get the Gibraltar IBAN with its check digits.

23IBAN characters
19BBAN characters
YesSEPA country
NoNational check digits

Gibraltar IBAN structure

GICountry code
54IBAN check digits
TNOVBank code
159939944622013Account number

GI + 2 check digits + 4 uppercase letters + 15 letters or digits = 23 characters. The example is a synthetic test number. Check any Gibraltar IBAN, with its bank and BIC, in the Gibraltar IBAN checker, or create test numbers with the Gibraltar IBAN generator.

Gibraltar IBAN calculator FAQ

How is an IBAN from Gibraltar calculated? The national account number (BBAN) is built from the bank code and account number, then the two IBAN check digits are computed with ISO 13616 MOD-97: move the country code and 00 to the end, turn letters into numbers and take 98 minus the remainder modulo 97.

What do I need to calculate a Gibraltar IBAN? Bank code, Account number. The result has 23 characters, starting with GI.

Does the calculator add the Gibraltar national check digits? Yes. Where a country publishes a method (the French clé RIB, the Italian CIN, Spanish control digits and others) the calculator computes it; otherwise enter the digits printed on the bank document.

Is a calculated IBAN guaranteed to work? It is correct only if the bank details you typed are correct. Confirm the IBAN with the account holder or the bank before paying, and check it in the IBAN validator to see the bank and BIC.

IBAN calculators for other countries