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Belt 3 of 4

Green BeltFrom $549.

People who lead improvement projects alongside their day job.

Enroll in Green BeltHow the exams work
14
modules
68 sections
40
exam questions
graded on the server
70%
pass mark
3 attempts
1564
slides
HD, with voiceover
CertiAIPractice before it counts
  1. Black Belt20 modules · 60 exam questions$1,299
  2. Green Belt14 modules · 40 exam questions$549
  3. Yellow Belt9 modules · 25 exam questions$249
  4. White Belt9 modules · 20 exam questionsFree
$549was $699· exam and certificate included
  • 14
    Modules
  • 68
    Sections
  • 1,564
    Slides
  • 70%
    Pass mark
  • 40
    Exam questions
  • 3
    Attempts

The Green Belt certificate also requires a completed capstone project, reviewed against the same five tollgates a real project passes through. The capstone is open, so this certificate can be earned end to end today.

What you will be able to do

After the Green Belt

Leading a project of your own. The full DMAIC method, statistical thinking and the analysis that turns data into a decision.

Who it is forEngineers, analysts and managers who lead projects part time
  • 01Run a project through all five DMAIC phases
  • 02Analyze and interpret process data
  • 03Choose the right improvement tool for the problem
  • 04Think statistically about variation
  • 05Find and remove inefficiency and waste
  • 06Manage a project from charter to control

How you learn it

1,564 slides, each one with a voice

14 modules and 68 sections, at your own pace. Quizzes check you kept up, and SigmaTutor answers from the course when a slide does not land.

  • HD slides with voiceover, captions and a transcript
  • Module quizzes before you move on
  • Ask SigmaTutor from the lesson
sigmaforge.ai/learn
A Green Belt lesson slide on the capability pipeline, with player controls, transcript and captions, the section outline, progress, and Ask SigmaTutor.
Product screen, demo dataa Green Belt lesson

With you the whole way

A tutor, a coach and an examiner

Three of the agents a learner meets, on their real screens. Each panel below is the shape of what that agent hands back.

The exam

40 questions, 70% to pass

Graded on the server, with no clock.

How the exams work
  • 40

    questions per sitting

    graded on the server

  • 70%

    to pass

    the same at every belt

  • 3

    attempts

    24 hours apart

Your certificate

Ready for your profile

Pass and the certificate is issued straight away, with its own ID and QR code.

  1. 01

    Download it

    A print-ready PDF in your name, with the certificate ID and a QR code that opens its record.

  2. 02

    Add it to LinkedIn and Indeed

    LinkedIn fills in from one click. For Indeed, every value is ready to copy into your profile, plus a line for your resume.

  3. 03

    Anyone can check it

    Employers open sigmaforge.ai/verify with the ID and see that it is real, who holds it and when it was issued.

The ladder

The other belts

  • Start Here
    White Belt

    White Belt

    Price: $129Free exam + certificate included

    The White Belt is the beginner level, designed to introduce individuals to the basic concepts of process improvement. It builds a strong foundation in Lean and Six Sigma principles.

    • Introduction to Lean & Six Sigma concepts
    • Basic process improvement terminology
    • Understanding of waste and efficiency
    • Overview of problem-solving approaches
    • Roles and responsibilities in projects
    Best for: All employees & newcomers building improvement fluency
    Start White Belt
    The White Belt in full
  • Yellow Belt

    Yellow Belt

    Price: $299$249 exam + certificate included

    The Yellow Belt develops a deeper understanding of process-improvement tools and prepares individuals to actively contribute to projects in a supporting, data-focused role.

    • Basic problem-solving techniques
    • Introduction to DMAIC methodology
    • Process mapping and flowcharting
    • Root cause analysis (Fishbone, 5 Whys)
    • Data collection and basic analysis
    • Team collaboration in projects
    Best for: Team members supporting improvement projects
    Enroll in Yellow Belt
    The Yellow Belt in full
  • Black Belt

    Black Belt

    Price: $1,699$1,299 exam + certificate included

    The Black Belt represents advanced expertise in Lean Six Sigma. Individuals lead complex, high-impact projects and drive measurable business improvements.

    • Advanced DMAIC application
    • Statistical analysis & data-driven decisions
    • Leadership and project management skills
    • Risk analysis and process optimization
    • Change management strategies
    • Coaching & mentoring Green & Yellow Belts
    Best for: Full-time improvement experts, consultants & operations leaders
    Enroll in Black Belt
    The Black Belt in full
  • White Belt is freeCreate an account and the course opens: five modules, the exam, and the certificate if you pass. No card, no invitation.
  • Green and Black also need a capstoneA real DMAIC project, reviewed at five tollgates. The capstone is open, so both certificates can be earned end to end today.

Green Belt

Ready for the Green Belt?

Enroll and the course opens in your account, with every belt below it included. The certificate also needs the capstone project.

Enroll in Green BeltCompare the belts