Free CQI Exam Prep
ASQ Certified Quality Inspector (CQI)
Prepare for the CQI exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
Buy on Amazon
Study guide on MometrixExplore More ASQ Quality Certifications
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
More From This Family
Videos and articles for deeper review.
CQI ASQ Quality Certifications License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Phase 1: Technical MathematicsYou are here
Master shop math, unit conversions, geometry, and statistics fundamentals (mean, standard deviation, normal distribution).
Phase 2: Metrology
Study measurement instruments (calipers, micrometers, CMMs, gauge blocks), calibration, traceability, and Gage R&R.
Phase 3: Inspection and Test
Deep dive into blueprint reading, GD&T symbols, ANSI/ASQ Z1.4 and Z1.9 sampling plans, NDT methods, and nonconforming material handling.
Phase 4: Quality Assurance + Timed Practice
Complete QC tools, SPC/control charts, process capability, CAPA, and full timed mock exams.
Can You Take the CQI Exam?
Check if you meet the basic eligibility requirements
- •Experience must be in paid, full-time roles.
- •Retake fee of $260 is available for up to two years from the previous exam date.
- •No recertification is required — the CQI is one of ASQ's lifetime certifications.
- •Exam is open book — candidates may bring their own bound reference materials and a non-programmable calculator.
CQI Quick Facts
Time to Get Licensed
6-10 weeks for most candidates
From start to license in hand
Retake Policy
Candidates who do not pass may retest at the $260 retake rate for up to two years from the previous exam date.
Total Cost Breakdown
Free CQI Prep Tools
Reported exam pass rate: 60% in 2024 (ASQ annual pass-rate table).. Check the exam sponsor for the latest official figure.
100 FREE Practice Questions
Covers all four CQI BoK domains: math, metrology, inspection & test, and quality assurance.
AI-Powered Learning
Get instant coaching on GD&T, sampling plans, SPC formulas, and NDT methods.
2026 Updated
Aligned with the current ASQ CQI Body of Knowledge and 2026 exam format.
Free Access
Start CQI prep free and track progress by BoK domain.
What You'll Study
13 chapters covering the exam topics in this guide
Chapter 1: Shop Mathematics & Algebra
3 sections
Chapter 2: Geometry & Applied Shop Trigonometry
3 sections
Chapter 3: Handheld Variable & Attribute Gages
4 sections
Chapter 4: Surface Plate Inspection, Optical Systems & CMMs
5 sections
Chapter 5: Surface Metrology, Calibration Systems & MSA
4 sections
Chapter 6: Technical Drawing & Blueprint Reading
3 sections
Chapter 7: Geometric Dimensioning & Tolerancing (GD&T)
4 sections
Chapter 8: Sampling Inspection & Acceptance Sampling Plans
3 sections
Chapter 9: Inspection Planning, Processes & Material Disposition
5 sections
Chapter 10: Materials Testing & Nondestructive Examination
5 sections
Chapter 11: Statistical Process Control & Process Capability
4 sections
Chapter 12: Quality Systems, Continuous Improvement & Safety
5 sections
Chapter 13: Quality Fundamentals, Teams & Documentation Systems
4 sections
CQI Exam Details
ASQ Certified Quality Inspector (CQI)
Administered by ASQ (American Society for Quality)
Exam Content Breakdown
Based on the official ASQ (American Society for Quality) content outline
Basic shop math, algebra, geometry, measurement conversions, and statistics fundamentals including mean, median, mode, range, and standard deviation.
Variable and attribute gauges, CMMs, gauge blocks, calibration, traceability, surface finish, and Gage R&R/MSA.
Blueprint reading, GD&T, sampling plans (ANSI/ASQ Z1.4 and Z1.9), inspection planning, nonconforming material/MRB, destructive and nondestructive testing methods.
Quality systems, internal audits, CAPA, 7 QC tools, control charts/SPC, process capability (Cp/Cpk), and workplace safety.
What's Included
13 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
I'm Ran Chen, an engineer with 20+ years of coding experience. I passed my Life Insurance license, EA exam, SIE, Series 6, 63, 65, and finally the CFP® exam.
Through all these exams, one thing became clear: exam prep is expensive. But with AI, we can change that. Quality preparation can now be free for everyone.
What's Next After the CQI?
After passing the CQI, you can pursue these career paths
asq-cqt
Advance to Certified Quality Technician with broader technical and supervisory quality skills.
asq-cct
Specialize in Certified Calibration Technician for measurement and calibration laboratory roles.
asq-cqe
Grow into Certified Quality Engineer for engineering-level quality planning, reliability, and statistical analysis.
CQI Exam FAQ
Official ASQ (American Society for Quality) Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free CQI Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.