Ternary addition is the addition of two numbers in the ternary (base-3) numeral system. The ternary system uses three digits: 0, 1, and 2. Ternary addition follows a process similar to decimal addition but with some differences due to the base-3 system.
Learn to add ternary numbers with our simple ternary addition table below.
| + | 0 | 1 | 2 | 10 | 11 | 20 | 21 | 22 | 100 | 101 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 1 | 2 | 10 | 11 | 20 | 21 | 22 | 100 | 101 |
| 1 | 1 | 2 | 10 | 11 | 20 | 21 | 22 | 100 | 101 | 110 |
| 2 | 2 | 10 | 11 | 20 | 21 | 22 | 100 | 101 | 110 | 111 |
| 10 | 10 | 11 | 20 | 21 | 22 | 100 | 101 | 110 | 111 | 120 |
| 11 | 11 | 20 | 21 | 22 | 100 | 101 | 110 | 111 | 120 | 121 |
| 20 | 20 | 21 | 22 | 100 | 101 | 110 | 111 | 120 | 121 | 200 |
| 21 | 21 | 22 | 100 | 101 | 110 | 111 | 120 | 121 | 200 | 201 |
| 22 | 22 | 100 | 101 | 110 | 111 | 120 | 121 | 200 | 201 | 202 |
| 100 | 100 | 101 | 110 | 111 | 120 | 121 | 200 | 201 | 202 | 210 |
| 101 | 101 | 110 | 111 | 120 | 121 | 200 | 201 | 202 | 210 | 211 |
The ternary addition calculator is simple to use. Put the first number you want to add in ternary in the top calculator. The number you want to add to this number goes in the second box. Press calculate to get your result in both ternary and decimal.