How good or bad is that result? The best possible DPMO is 0, while the DPMO will get a value of 1 million in the worst case. Units - for this example, it's 10,000 pairs of jeans andĭefect opportunities - the number of defects opportunities per unit, so in our case, it's 5.ĭPMO = 1,000,000 * 11 / (10,000 * 5) = 220 So how to calculate DPMO? Use the DPMO formula defined above!ĭefects is the number of defects found in a sample, so it's 11
Moreover, when 10,000 pairs of jeans were sampled, we found 11 defects. You've gathered some information from your company managers, and you found out that every pair of jeans can be defected in five different ways:
You'd like to calculate the DPMO for the production of jeans 👖. Let's show how we can calculate DPMO with an example.Īssume that you're the owner of a cloth factory. The DPMO formula is pretty straightforward:ĭPMO = 1,000,000 * defects / (units * defect opportunities)ĭefect_opportunities - number of defect opportunities per unit.
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