What is CPIM and which part of the supply chain does it cover?
CPIM is the Certified in Planning and Inventory Management credential from the Association for Supply Chain Management, the body formerly known as APICS, and its scope is the internal supply chain: what a manufacturer or distributor does between receiving a demand signal and having material in the right place at the right time. That means demand management and forecasting, sales and operations planning, master production scheduling, material requirements planning, capacity planning, inventory policy, and the execution and control of production and distribution. It deliberately does not centre on buying from suppliers or on logistics networks — those are the territory of other credentials — which is why people choose between them rather than treating them as interchangeable. The examination is taken in two parts, with the first covering the fundamentals of supply chain planning and the second the detailed planning, execution and control mechanics. There is no formal experience prerequisite, though the material assumes you know what a bill of materials and a work order are, and candidates without that grounding find part two hard going. It is unusually well suited to formal study because the content is mechanical and cumulative: the way a master schedule drives requirements, how lot sizing and safety stock behave, and how planning and capacity interact are systematic rules rather than judgement calls. The credential is maintained on a five-year cycle through professional development points.
- CPIM comes from the Association for Supply Chain Management, formerly APICS, and covers the internal supply chain.
- The examination is taken in two parts, with detailed planning mechanics concentrated in part two.
- There is no formal experience prerequisite, but the content assumes manufacturing planning familiarity.
- It teaches the method behind planning systems rather than any particular ERP.
- Maintenance runs on a five-year cycle of professional development points.
CPIM at a glance
| Cost | Examination and learning system fees are set by the association and priced differently for members — see its current fee schedule |
| Duration | Two examination parts, typically prepared for over several months of structured study |
| Issued by | The Association for Supply Chain Management, formerly APICS |
| Format | Two computer-based multiple-choice examination parts at proctored testing centres or through online proctoring |
| Expiry | Maintained on a five-year cycle through professional development points reported to the association |
| Who needs it | Production planners, master schedulers, materials managers, inventory analysts and supply chain analysts in manufacturing and distribution |
| Prerequisite | None formally, though the content assumes familiarity with manufacturing planning concepts |
| Scope | The internal supply chain — planning, scheduling, inventory and execution rather than sourcing or logistics networks |
Sources: Association for Supply Chain Management — CPIM · Association for Supply Chain Management — certification maintenance. Reviewed August 2026 by the GlobalCybers team.
Two Parts, Fundamentals Then Mechanics
Part two is where the arithmetic lives
Part one establishes the vocabulary and the shape of a planning system. Part two is where candidates meet master scheduling, material requirements planning, capacity planning and inventory policy in operational detail — including calculations for lot sizing, safety stock, available-to-promise and capacity load. Experience helps, but experienced planners who have only ever driven one company's system often discover they learned the software rather than the method.
What the two parts cover
What planning certification changes at work
Holders work as production planners, master schedulers, materials managers and supply chain analysts. The credential's practical effect is that it teaches the method behind the system: planners who understand why a master schedule drives requirements the way it does are the ones who get to fix a broken planning environment rather than merely operate it.
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What CPIM Covers Across the Internal Supply Chain
Demand Management
Forecasting methods, forecast error measurement, and the discipline of separating what you expect from what you have committed to deliver.
Master Scheduling
How the master production schedule translates a plan into buildable commitments, and how available-to-promise protects delivery dates.
MRP
Exploding requirements through bills of material, netting against inventory, offsetting lead times, and why bad data destroys the output.
Capacity
Rough-cut and detailed capacity planning, load levelling, and what happens when a plan is feasible on paper and not on the floor.
Inventory
Safety stock logic, lot sizing trade-offs, classification, cycle counting and record accuracy as the foundation of everything above.
Execution
Production activity control, dispatching, distribution requirements planning, and measuring whether the plan is actually being followed.
How do you earn CPIM, step by step?
Confirm the credential matches your work
This one covers the internal supply chain — planning, scheduling and inventory. If your job is buying from suppliers or running transportation networks, a sourcing or logistics credential fits better. Choosing on acronym familiarity rather than scope is the most common mistake candidates make.
Get the fundamentals solid before part two
Part one's vocabulary and planning hierarchy are the scaffolding for everything in part two. Candidates who rush it end up relearning it later under time pressure, because the detailed mechanics assume you already know where each function sits.
Work the calculations by hand
Lot sizing, safety stock, available-to-promise and capacity load are examined as calculations. Working them manually — rather than watching a system produce them — is what makes the logic stick, and it is the single most useful preparation habit reported by candidates.
Sit both examination parts
Both are computer-based multiple-choice, delivered at proctored testing centres or through online proctoring. Most candidates space them by several months and prepare for each separately.
Maintain the credential on the five-year cycle
Maintenance runs on a five-year cycle of professional development points reported to the association, earned from training, conferences, teaching and relevant professional activity.
Nothing Requires It — Manufacturers Ask for It Anyway
No law or regulation requires planning certification. Its traction is entirely commercial: planning errors are expensive and invisible until they arrive as stockouts, expedited freight, excess inventory or a missed customer commitment, and manufacturers have learned that a planning function staffed by people who understand the method rather than the screen behaves differently. Job postings for master schedulers, materials managers and senior planners routinely list it as required or preferred, particularly in discrete manufacturing.
CPIM, Frequently Asked Questions
Planning certified? Manufacturers are hiring schedulers.
Discrete manufacturers and distributors need planners who understand the method, not just the screen. Tell us your sector.
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