| Linguistic values | TFN |
| Extremely low (EL) | (0, 0.1, 0.2) |
| Very low (VL) | (0.1, 0.2, 0.3) |
| Low (L) | (0.2, 0.3, 0.4) |
| Medium low (ML) | (0.3, 0.4, 0.5) |
| Medium (M) | (0.4, 0.5, 0.6) |
| Medium high (MH) | (0.5, 0.6, 0.7) |
| High (H) | (0.6, 0.7, 0.8) |
| Very high (VH) | (0.7, 0.8, 0.9) |
| Extremely high (EH) | (0.8, 0.9, 1) |