Germany IBAN Calculator
Generate and validate German IBANs from bank code and account number
Enter 8-digit bank code (BLZ)
Enter account number (up to 10 digits)
Capabilities & Limitations
- The generated IBAN is mathematically correct: format and checksum are valid.
- Limitations: We do NOT check if the Bank Code (Bankleitzahl), Account Number (Kontonummer) actually exist.
- Please verify the account details with the bank before use.
Validate IBAN
Enter an IBAN to check if it is valid
What is a German IBAN?
A German IBAN (International Bank Account Number) consists of 22 characters: a country code (DE), 2 check digits, an 8-digit bank code (Bankleitzahl/BLZ), and a 10-digit account number (Kontonummer).
IBAN Format:
DE89 3704 0044 0532 0130 00
DE: Country code (Germany)
89: Check digits
37040044: Bank code (Bankleitzahl/BLZ)
0532013000: Account number (Kontonummer)
How to Use:
- 1.Enter your 8-digit bank code (Bankleitzahl/BLZ)
- 2.Enter your account number (Kontonummer, up to 10 digits)
- 3.Click "Generate IBAN" to create your IBAN
- 4.Copy the generated IBAN for your use
Important Notes:
- •German IBANs always have exactly 22 characters
- •Account numbers shorter than 10 digits are automatically padded with leading zeros
- •The check digits are calculated automatically using the mod-97 algorithm
- •Always verify your IBAN with your bank before use