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Free Supply Chain Analytics Tools & Calculators

FREE • BROWSER-BASED • PRACTICAL

Supply Chain Analytics Toolkit

Choose the decision you need to make, use your own data, and move from analysis to action. No software installation required.

What are you trying to solve?

Start with the business decision—not the formula.

01

Inventory Control

Understand which items matter most and how their demand or movement behaves.

VALUE PRIORITY

ABC Analysis

Rank items by consumption value and classify them into A, B and C groups.

Bring: item, unit price, period quantity

Open ABC calculator →
DEMAND VARIABILITY

XYZ Analysis

Group items by demand variability to support differentiated planning policies.

Bring: comparable demand periods by item

Open XYZ calculator →
MOVEMENT

FSN Analysis

Identify fast-, slow- and non-moving inventory using movement history.

Bring: item movement or usage history

Open FSN calculator →
Suggested workflow: Start with ABC for financial importance, add XYZ for demand variability, then use FSN to examine movement. These classifications answer different questions and should not be treated as substitutes.
02

Replenishment

Translate demand, cost and lead-time information into planning parameters.

ORDER QUANTITY

EOQ Calculator

Estimate the economic order quantity under the classic EOQ assumptions.

Bring: annual demand, ordering cost, annual holding cost

Calculate EOQ →
BUFFER & TRIGGER

Safety Stock & Reorder Point

Estimate safety stock and a reorder point for the calculator’s stated demand/lead-time assumptions. For cases where both demand and lead time vary, use the separate combined-variability method linked in the supporting guidance.

Bring: demand history, lead time, service assumption

Calculate safety stock →
AVERAGE WORKING STOCK

Cycle Stock

Estimate average cycle inventory and keep it distinct from safety stock.

Bring: order quantity and applicable model inputs

Calculate cycle stock →
03

Demand Planning

Turn ordered historical observations into a transparent baseline forecast.

LEARN BEFORE YOU MODEL

Demand Forecasting Guide

Understand forecasting choices and where simple methods fit before selecting a model.

Read the forecasting guide →
04

Inventory Performance

Measure how efficiently inventory is moving and where value may be at risk.

EFFICIENCY

Inventory Turnover

Calculate inventory turns using matching-period cost and average inventory values.

Bring: COGS and average inventory for the same period

Calculate inventory turnover →
EXPOSURE

Obsolescence Cost

Estimate inventory value exposed to obsolescence under your stated assumptions.

Bring: on-hand quantity, demand, unit cost, salvage value, planning horizon and obsolescence probability

Estimate obsolescence cost →

Use the result responsibly

1. Check the inputs

Use consistent units, periods and complete source data.

2. Read the assumptions

Each model simplifies reality. Review its limitations before acting.

3. Apply operational context

MOQ, shelf life, capacity, criticality and supplier constraints can change the decision.

TOOLKIT ROADMAP

One toolkit. More supply-chain decisions.

We are extending the toolkit beyond inventory and forecasting into procurement, warehouse and operational performance analysis. Existing calculators will also be upgraded into connected workflows.

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