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 Little's Law Use this calculator to compute Lead Time or Items-in-process or Throughput Rate, provided you have data on the other two parameters Lead TimeEnter the Lead Time (in minutes). Leave it blank if you want to calculate itItems-in-processEnter the number of items in process / inventory / work in progress items. Leave it blank if you want to calculate itThroughput RateEnter the Throughput Rate (units per minute). Leave it blank if you want to calculate itCalculated Lead TimeCalculated Lead Time (in minutes) for the given inventory and throughput rate Calculated Items In ProcessCalculated Items In Process for the given lead time and throughput rate Calculated Throughput RateCalculated Throughput Rate (units per minute) for the given lead time and items-in-process Δ