Enter your DPMO and instantly see where your process sits on the Six Sigma scale — from 1σ all the way to world-class 6σ performance.
Sigma reference
Enter your DPMO value on the left and press Calculate to see your Sigma Level.
Six Sigma uses a 1.5 sigma shift to account for real-world process drift over time. This is why a 6 Sigma process allows 3.4 DPMO rather than zero.
Yield is the percentage of outputs that are defect-free. A 3 Sigma process has a yield of around 93.3%. A 6 Sigma process achieves 99.9997% yield.
If your process is below 4 Sigma, a structured DMAIC improvement project is the most reliable path to closing the gap. Use the DPMO Calculator to re-baseline after improvement.