6sigmastudy Pricing in 2026
Every plan 6sigmastudy publishes, with the page and date we read it from. Prices we could not find on 6sigmastudy's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| Six Sigma Yellow Belt | Not published | 40 questions | 6sigmastudy.com | |
| Six Sigma Green Belt | $250 per month | 90 questions · 120-minute exam | 6sigmastudy.com | |
| Lean Six Sigma Green Belt | $450 per month | 100 questions · 120-minute exam | 6sigmastudy.com | |
| Six Sigma Black Belt | $500 per month | 125 questions · 80-minute exam | 6sigmastudy.com | |
| Lean Six Sigma Black Belt | $550 per month | 125 questions · 180-minute exam | 6sigmastudy.com | |
| Preparatory course extension | $35 per month | Renews at USD 35 per month; can be cancelled any time | Two months included initially | 6sigmastudy.com |