Calculate the Check Digit
The Check Digit is easy to calculate. This is how you do it.
The letters of the prefix have a certain value:
So (for example) prefix MWCU is:
| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| Letter | M | W | C | U |
| Value | 24 | 35 | 13 | 32 |
The value of the numbers is equal to the numbers of the container number.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|
| Number | 6 | 0 | 5 | 9 | 7 | 8 |
| Value | 6 | 0 | 5 | 9 | 7 | 8 |
Now calculate like this:
The total, in this case 7858 is divided by 11 (Long Division) and the remainder is the Check Digit.
