check Digit
Check digit
Every containernumber needs its own check digit. This check digit is the last figure of the containernumber, that behind the .
Of course, you can calculate this check digit yourself.
First start with the prefix.  Then there is the number itself. This is the simplest part of the calculation. 
Last but not least the calculation: with an example: OOLU 708695. 

Each letter of the prefix has its own value:

Each figure of the number has its own value.



Of course we can understand if you don’t want to calculate all these check digits by hand. Therefore we made you a little tool. Enter the containernumber as followed: XXXX123456, just try it.

Now divide this total by 11: 6682 / 11 = 607,4545 and take the figures after the comma The complete containernumber is: 