IBAN calculator

Generate a correctly formatted IBAN from local bank details — 41 countries, with the right length and check digits every time.

Calculate an IBAN

An International Bank Account Number (IBAN) is the standardised way to identify a bank account across borders. It packs the country, the bank, and the account into one string with two check digits, so international transfers land where they should.

Pick a country and enter the local bank details — the calculator assembles the IBAN and computes its check digits instantly, right in your browser. Nothing you type leaves the page.

Calculate an IBAN by country