| | Intensity | Linguistic variable | TFN number | Reciprocal |
| | 1 | Equally strong | (1,1,1) | (1,1,1) | | 2 | Intermediate of 1 to 3 | (1/2, 1, 3/2) | (2/3, 1, 2) | | 3 | Very strong | (1, 3/2, 2) | (1/2, 2/3, 1) | | 4 | Intermediate of 3 to 5 | (3/2, 2, 5/2) | (2/5, 1/2, 2/3) | | 5 | Strong | (2, 5/2, 3) | (1/3, 2/5, 1/2) | | 6 | Intermediate of 5 to 7 | (5/2, 3, 7/2) | (2/7, 1/3, 2/5) | | 7 | Moderately strong | (3, 7/2, 4) | (1/4, 2/7, 1/3) | | 8 | Intermediate of 7 to 9 | (7/2, 4, 9/2) | (2/9, 1/4, 2/7) | | 9 | Equally strong | (4, 9/2, 9/2) | (2/9, 2/9, 1/4) |
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