Base 12 Addition Table
In mathematics, a base N addition table defines the addition operation for numbers written in a base-12 number system. This page shows the base 12 addition table — every row header, column header, and sum below is written in base 12, not decimal. Print it directly from the page using the print button on the table.
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Base 12 Addition Table
Base 12 Addition Table
| + | 012 | 112 | 212 | 312 | 412 | 512 | 612 | 712 | 812 | 912 | A12 | B12 | 1012 | 1112 | 1212 | 1312 | 1412 | 1512 | 1612 | 1712 | 1812 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 012 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 112 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 212 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A |
| 312 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B |
| 412 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 |
| 512 | 5 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 |
| 612 | 6 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 |
| 712 | 7 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 |
| 812 | 8 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 |
| 912 | 9 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 |
| A12 | A | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| B12 | B | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 1012 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 1112 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 1212 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A |
| 1312 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B |
| 1412 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 30 |
| 1512 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 30 | 31 |
| 1612 | 16 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 30 | 31 | 32 |
| 1712 | 17 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 30 | 31 | 32 | 33 |
| 1812 | 18 | 19 | 1A | 1B | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 2B | 30 | 31 | 32 | 33 | 34 |
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