Check domestic account control digits.
Initialising algorithm engine for Belgian Account Check Digit Calculator...
How Belgian Account Check Digit Calculator Works?
The Belgian Account Check Digit Calculator works by dividing the first 10 digits of the 12-digit Belgian account number by 97 and using the remainder as the last 2 digits. A remainder of 0 becomes 97.
- 1Enter the first 10 digits (3-digit bank code + 7-digit account).
- 2Compute the remainder of the 10-digit number divided by 97.
- 3Replace a remainder of 00 with 97.
- 4Append the 2 digits and format as XXX-XXXXXXX-XX.
Belgian Account Check Digit Calculator Formula
The Belgian account formula is Check = N mod 97, with 0 replaced by 97.
Check = N₁₀ mod 97 Check = 0 → 97
N₁₀is the 10-digit account base.
5390075470 mod 97 = 34 Account = 539-0075470-34 IBAN = BE68 5390 0754 7034
Belgian Account Check Digit Calculator Conversion Table
The Belgian account conversion table lists account bases with their mod 97 check and IBAN.
| Account base (10 digits) | Check | Belgian format | IBAN |
|---|---|---|---|
| 5390075470 | 34 | 539-0075470-34 | BE68 5390 0754 7034 |
| 0010000000 | 76 | 001-0000000-76 | BE91 0010 0000 0076 |
| 3100000000 | 86 | 310-0000000-86 | BE78 3100 0000 0086 |
| 7350000000 | 85 | 735-0000000-85 | BE89 7350 0000 0085 |
| 0682000000 | 81 | 068-2000000-81 | BE36 0682 0000 0081 |
| 0000000097 | 97 | 000-0000097-97 | BE54 0000 0000 9797 |
What is Belgian Account Check Digit Calculator?
A Belgian Account Check Digit Calculator is a tool that computes the 2 control digits of a 12-digit Belgian bank account number. The first 3 digits identify the bank.
The same mod 97 rule protects Belgian structured payment communications (+++XXX/XXXX/XXXXX+++).
What are the uses of Belgian Account Check Digit Calculator?
There are 3 main uses of the Belgian Account Check Digit Calculator, including IBAN conversion, structured communications, and data validation.
- IBAN conversion: Banks and businesses build BE IBANs from domestic numbers.
- Structured communications: Billers generate mod 97 payment references.
- Data validation: Finance teams check Belgian accounts in vendor files.