Free · LU · 20 characters

Luxembourg IBAN Calculator

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

20IBAN characters
16BBAN characters
YesSEPA country
NoNational check digits

Luxembourg IBAN structure

LUCountry code
13IBAN check digits
008Bank code
0521295536607Account number

LU + 2 check digits + 3 digits + 13 letters or digits = 20 characters. The example is a synthetic test number. Check any Luxembourg IBAN, with its bank and BIC, in the Luxembourg IBAN checker, or create test numbers with the Luxembourg IBAN generator.

Luxembourg IBAN calculator FAQ

How is an IBAN from Luxembourg 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 Luxembourg IBAN? Bank code, Account number. The result has 20 characters, starting with LU.

Does the calculator add the Luxembourg 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