Explore a growing collection of supply chain and inventory management resources, including KPI formulas, performance metrics, inventory analysis methods (ABC/XYZ), and a comprehensive glossary of key terms. This resource hub is designed for operations managers, supply chain analysts, and logistics professionals seeking practical tools, frameworks, and insights to improve performance, reduce costs, and optimize inventory strategy.
Essential knowledge and tools for supply chain professionals at every level.
A complete beginner's guide to supply chain management: what a supply chain is, core functions, inventory basics, demand planning, procurement, logistics, and a full case study.
150+ supply chain terms with clear definitions and industry context.
50+ inventory metrics with formulas, benchmarks, and interpretation guides.
Learn the inventory turnover formula, DSI, benchmarks, and how to improve stock productivity without creating avoidable stockouts.
Break down inventory holding cost, ordering cost, stockout cost, and total inventory cost with formulas, EOQ, and examples.
Evaluate suppliers using total cost of ownership, hidden purchasing costs, and procurement savings logic instead of price alone.
ABC and XYZ classification techniques with case studies and strategies.
Step-by-step guide to calculating when to reorder, with worked examples and safety stock integration.
Three methods to calculate safety stock: basic, statistical (Z-score), and min-max, with service level tables.
Economic Order Quantity formula, assumptions, worked example, and extensions including POQ and quantity discounts.
Simple and weighted moving averages, exponential smoothing, trend analysis, seasonality (Holt-Winters), and forecast accuracy metrics (MAE, MAPE, RMSE).
Identify stockout and overstock patterns, diagnose root causes, and apply targeted corrective actions using KPIs and ABC-XYZ segmentation.
Measure lead time components and variability from PO data, compare supplier performance, and calculate safety stock with combined demand and lead time variability.
Monthly S&OP process, demand-supply balancing, executive dashboard KPIs, and common failure points.
How IBP extends S&OP with financial alignment, portfolio strategy, and executive KPIs over an 18–36 month horizon.
Warehouse location models, make vs buy TCO analysis, and transportation cost modeling for network optimization.
Understand push and pull supply chain logic, how to position the decoupling point, and hybrid push-pull design with real-world examples.
Compare lean, agile, and leagile supply chain strategies using Fisher's model and learn when to apply each approach.
Explore roles, skills, and career paths across operations, consulting, ERP implementation, and supply chain transformation.
ERP, APS, WMS and TMS explained: what each system does, how they differ, and when to invest in each platform.
Understand the key distinctions between statistical forecasting and the demand planning process, with KPIs, demand sensing, and common mistakes.
Compare Lean and Six Sigma methodologies: origins, core tools, DMAIC vs PDCA, Lean Six Sigma integration, and when to apply each in supply chain.
Why small demand fluctuations amplify into massive order swings upstream, with real examples from P&G, Cisco, and COVID-19.
How cross docking eliminates warehouse storage, the 3 types, infrastructure requirements, and real-world examples from Walmart and Amazon.
All 11 ICC trade rules explained: risk and cost transfer points, FOB vs CIF vs FCA, the 4 changes from 2010, and how to choose the right term.
A structured approach to mastering supply chain management:
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Supply chain professionals, inventory managers, students, and business owners.
Yes! Teachers and trainers are welcome to use our resources. Please credit Supply Chain Math.
Resources are regularly updated with new content and industry best practices.
Access free tools and guides to optimize your supply chain operations.