Soil properties

Very low

Low

Medium

 High

Very high

Liquid limit

< 20

20-35

35-50

50-70

70-90

Shrinkage Limit

< 10

10-15

15-0

20-30

Plasticity index

< 12

12-23

23-32

> 32

Shrinkage index

< 15

15-30

30-60

> 60

Swelling index

0-20

21-50

51-90

91-130

> 130