Color Fastness Grade Calculator

Calculate color fastness ratings based on gray scale assessments for washing and rubbing tests.

Angle of incline, often as ratio or percentage.
grade
Angle of incline, often as ratio or percentage.
grade
Angle of incline, often as ratio or percentage.
grade
Angle of incline, often as ratio or percentage.
grade

Results

Average Grade:
Calculated average value.
-grade
Lowest Grade:
Calculated lowest grade based on your inputs.
-grade
Pass Status (min 3):
Minimum required or calculated value.
-status
Reference: Industry Standards.