IBAN Calculator

Choose a country and enter local banking details to calculate an IBAN.

Calculator form

Select a country supported by the IBAN registry.
Enter the bank identifier if the selected country requires it.
Enter the branch identifier if the selected country requires it.
Enter the local account number or the remaining BBAN part.

Country format details

transfile.loading Select a country to see format details.

IBAN Calculator – Generate IBAN from Bank Details

This IBAN calculator allows you to generate a valid International Bank Account Number (IBAN) using local bank details such as bank code, branch code and account number.

The tool automatically applies country-specific IBAN formats and calculates the correct check digits, ensuring the generated IBAN is valid and ready for use.

How does the IBAN calculator work?

  • Select a country
  • Enter bank and account details
  • The system builds a valid IBAN structure
  • Check digits are calculated automatically

When to use an IBAN generator?

Use this tool when you need to convert domestic bank details into a full IBAN, for example when sending international payments or working with SEPA transfers.

All calculations are performed securely. No data is stored or transmitted to external systems.

This IBAN calculator generates valid IBANs based on the official format rules published in the ISO 13616 / SWIFT registry. We use this standardized data to ensure accurate formatting, but we are not an official bank or regulatory organization. Use this tool to check IBAN structure, create correctly formatted examples, and validate your entries safely.

Simply select your country, enter your account details, and the calculator will produce a properly formatted IBAN for verification or testing purposes. No technical knowledge required!