Aim: To calculate the uniformity index for given sample using double cone blender and To determine Mixing index of double cone blender.

How to Use The Standard Deviation Calculator?


  1. This Calculator is designed for the calculation of Standard deviation and mixing indices of Double cone blender.
  2. Put Collected Data in the fields and Start.
  3. Standard Deviation Display will Show the Standard Deviation by taking All Entered Data Even if any of them is empty or Zero.
  4. Empty Input will be marked as Zero or null.
  5. Simply Type the values in Inputs of the table.
  6. Proceed and Get the Answer form the Table.
  7. You can Download The Created table as PDF.