List of CalculatorsControl Limit For C Chart Control Limits for IMR Chart Control Limits for NP Chart Control Limits for P Chart Control Limit For U Chart Control Limits for Xbar-R chart Control Limits for Xbar-S chart Cost of Poor Quality Guide to Master Black Belt Competency Guide to select the right Hypothesis Test Little’s Law Net Present Value Overall Equipment Efficiency (OEE) Process capability calculator Process Cycle Efficiency R Square Adjusted Sample size calculator for mann whitney test Sample Size Calculator for 1 Proportion Test Sample Size Calculator For 2 Proportion Test Sample Size Calculator For 1 Proportion Test (Finite Population) Sample Size Calculator For 2 Proportion Test (Finite Population) Sample Size calculator For 1 Sample T Test Sample Size Calculator For 2 Sample T Test Sample Size Calculator For 1 Sample T Test (Finite Population) Sample Size Calculator For 2 Sample T Test (Finite Population) Sample Size Estimation (Mean) Sample Size Estimation(Proportion Data) Sigma Level Calculator (Continuous Data) Sigma Level Calculator (Discrete Data – Defects) Sigma Level Calculator (Discrete Data – Defectives) Takt Time Cost of Poor Quality Use this calculator to compute the Cost of Poor Quality for your unit / department / organization Internal Defects IdentifiedEnter the number of defects that have been identified before the product / service was released to the customerAverage cost of internal reworkEnter the average rework cost per internal defectExternal Defects IdentifiedEnter the number of defects that have been identified in the product / service by the customer Average cost of external reworkEnter the average rework cost per external defect (i.e. defects caught by the customer) Penalties / Liabilities / Recall CostsEnter the cost for any penalties or liabilities or for product recalls in case of external defects Internal Failure Cost Cost incurred for internal defects = Internal Defects Identified x Average cost of internal reworkExternal Failure Cost Cost incurred for external defects = Internal Defects Identified x Average cost of internal rework + Penalties / Liabilities / Recall CostsCost or Poor QualityTotal cost incurred in case of both internal and external defects Δ