DMAIC, step by step
The Six Sigma improvement cycle.
- DefineThe problem, the customer, the scope and the goal. In measurable terms.
- MeasureEstablish the baseline. Validate that the measurement system itself is reliable.
- AnalyseFind root causes with data, not opinion.
- ImprovePilot changes, measure the effect, then scale.
- ControlLock in the gain: standard work, monitoring, ownership.
Sigma levels
- 3σ: 66,800 defects per million
- 4σ: 6,210
- 5σ: 233
- 6σ: 3.4
Control is the phase most often skipped, and the reason improvements decay back within a year.
Questions about the DMAIC poster
- What’s on the DMAIC poster?
- 5 numbered steps, with a full worked run-through. The Six Sigma improvement cycle. Define — The problem, the customer, the scope and the goal. In measurable terms.; Measure — Establish the baseline. Validate that the measurement system itself is reli…; Analyse — Find root causes with data, not opinion.; Improve — Pilot changes, measure the effect, then scale.; Control — Lock in the gain: standard work, monitoring, ownership.. Control is the phase most often skipped, and the reason improvements decay back within a year.
- Who is the DMAIC poster for?
- DMAIC belongs to the Business & Management section rather than to a school year, because business is not something one grade owns. Anyone learning operations can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the DMAIC poster?
- Measure before improving. Most improvement projects fail by skipping straight to solutions. A wall chart earns its place by being glanceable from where the work is happening, so DMAIC belongs on the wall where that business work actually happens, within glancing distance, rather than filed away.
- What other posters go with DMAIC?
- Agile & Waterfall, Capacity and Critical Path sit alongside DMAIC in the Business & Management section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Agile & WaterfallCapacityCritical Path
- Is the DMAIC poster free to download and print?
- Yes. DMAIC downloads as a free PDF with no account, no email and no watermark, like everything else in the Business & Management section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the DMAIC poster print at?
- DMAIC is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of DMAIC loses nothing.Printing guide
Related posters
Charts that sit alongside DMAIC on the same wall.
Browse every Business & Management poster, or start from the full catalogue.