Skip to main content
. 2024 Apr 26;31(22):32875–32900. doi: 10.1007/s11356-024-33391-x

Table 3.

Saaty and triangular fuzzy scales

Linguistic explanation Saaty number Reciprocal Triangular fuzzy scale Reciprocal triangular fuzzy scale
Equally important 1 1 (1,1,1) (1,1,1)

Intermediate between

1 and 3

2 1/2 (1,2,3) (1/3, 1/2, 1)
Moderately important 3 1/3 (1,3,5) (1/4, 1/3, 1/2)
Intermediate 4 1/4 (3,4,5) (1/5, 1/4, 1/3)
Strongly important 5 1/5 (3,5,7) (1/6, 1/5, 1/4)
Intermediate 6 1/6 (5,6,7) (1/7, 1/6, 1/5)
Very strongly important 7 1/7 (6,7,8) (1/8, 1/7, 1/6)
Intermediate 8 1/8 (7,8,9) (1/9, 1/8, 1/7)
Extremely important 9 1/9 (9,9,9) (1/9, 1/9, 1/9)