Proportional scale

Meaning

9

The former is extremely important.

7

The former is much more important.

5

The former is more important.

3

The former is slightly more important.

1

The former is as important as the latter.

1/3

The latter is slightly more important.

1/5

The latter is more important.

1/7

The latter is much more important.

1/9

The latter is extremely important.

8, 6, 4, 2,

1/2, 1/4, 1/6, 1/8

Intermediate value of the above evaluation value

Reciprocal

If the judgment value of i and j is aij, the judgment value of j and i is 1/aij.