Iban Bic Calculator Usa

This IBAN BIC Calculator USA helps you generate and validate International Bank Account Numbers (IBAN) and Bank Identifier Codes (BIC) for US banks. IBANs are used for international wire transfers, while BICs identify specific branches or financial institutions.

What is IBAN and BIC?

IBAN (International Bank Account Number) is an international standard for identifying bank accounts across European countries. It consists of up to 34 alphanumeric characters and includes the country code, check digits, and account number.

BIC (Bank Identifier Code), also known as SWIFT code, is a unique code assigned to banks for international transactions. It consists of 8 or 11 characters and identifies the bank and branch.

For US banks, IBANs are not as commonly used as SWIFT codes, but they are becoming more relevant for international transactions. The US IBAN format follows the international standard but uses the country code "US".

Note: While IBANs are standard in Europe, US banks primarily use SWIFT codes (BIC) for international transactions. This calculator provides both formats for reference.

How to Use This Calculator

To generate an IBAN or BIC for a US bank account:

Enter the bank's routing number (9 digits)
Enter the account number (up to 17 digits)
Select the country (USA)
Click "Calculate" to generate the codes

The calculator will display the generated IBAN and BIC codes along with validation information.

Formula Used

The IBAN generation follows these steps:

Combine the country code "US" and check digits "00" with the bank routing number and account number
Convert the alphanumeric string to a numeric representation
Calculate the check digits using modulo 97
Format the result as a standard IBAN

IBAN = "US" + CheckDigits + RoutingNumber + AccountNumber CheckDigits = 98 - (Modulo97(IBANString) mod 97)

The BIC (SWIFT code) is generated by combining the bank's 8-digit SWIFT code with the branch code if applicable.

Examples

Here are some example calculations:

Example 1: Standard US Account

Routing Number: 123456789
Account Number: 98765432101234567
Country: USA

Generated IBAN: US0012345678998765432101234567
Generated BIC: ABCDUS33XXX

Example 2: Short Account Number

Routing Number: 987654321
Account Number: 12345678
Country: USA

Generated IBAN: US0098765432112345678
Generated BIC: XYZAUS33XXX

FAQ

What is the difference between IBAN and BIC?

IBAN is an international standard for identifying bank accounts, while BIC (SWIFT code) identifies banks and branches for international transactions. IBANs are more common in Europe, while BICs are widely used worldwide.

Can I use this calculator for non-US banks?

This calculator is specifically designed for US bank accounts. For other countries, you should use the appropriate IBAN/BIC generation tools for that region.

How do I validate an IBAN or BIC?

The calculator includes validation checks. For IBANs, it verifies the check digits and format. For BICs, it checks the length and character set. You can also manually validate using standard IBAN/BIC validation tools.