Free Manufacturing Inventory Excel Template
A practical inventory tracking workbook covering raw materials, WIP, and finished goods — with reorder point alerts and stock-level dashboards built for small manufacturing shops.
What you get
A working manufacturing inventory Excel template plus a 30-day trial of Resource Manager for Excel (RMX) — the Excel-based scheduling and inventory tool that manufacturers move to when spreadsheet inventory tracking starts causing stockouts and over-ordering.
Free 30-day trial · No credit card required · Used by manufacturers since 1991
Why manufacturers still use Excel for this
Inventory is the lifeblood of any manufacturing operation. Too little and you are shutting down production lines waiting on parts. Too much and your cash is locked in raw material sitting on shelves collecting dust. Getting the balance right is the difference between a shop that ships on time and one that is perpetually firefighting. For most small manufacturers, that balance-finding exercise happens in a spreadsheet.
Excel-based inventory tracking works well at the beginning. A single workbook with part numbers, on-hand quantities, reorder points, and supplier lead times is often sufficient for shops running 50 to 150 SKUs with one person managing the stockroom. The template gives you a clean starting structure so you are not building from scratch — tabs for raw materials, WIP, and finished goods, with a consolidated dashboard that shows what needs ordering today.
The limits appear gradually. First, the reorder alerts stop being checked daily because everyone is too busy. Then two people edit the file simultaneously and the quantities are wrong. Then a work order consumes material that was already allocated to another job, and nobody knows until the job hits the floor and the parts are not there. That is the moment when the question changes from "how do I track inventory in Excel?" to "what comes after Excel?" This template covers the first question. Resource Manager for Excel (RMX) and RMDB answer the second.
What's inside the template
Raw materials register
Part number, description, unit of measure, supplier, lead time, unit cost, safety stock, reorder point, and on-hand quantity for every raw material. Supports up to 500 line items before Excel performance degrades.
WIP tracking tab
Work-in-process inventory by job number and operation stage. Tracks material issued to floor, quantity complete at each stage, and estimated completion date so you know exactly how much WIP is in the building.
Finished goods ledger
SKU, warehouse location, quantity on hand, quantity reserved against open sales orders, and available-to-promise quantity. Color-coded to flag negative ATP positions before they become missed shipments.
Reorder alert dashboard
Single-view dashboard that filters to items below reorder point or below safety stock. Sorted by urgency. Includes a one-click purchase order draft section for the top 10 reorder items.
Inventory valuation summary
FIFO-based inventory valuation rolled up by category — raw materials, WIP, and finished goods — with month-over-month comparison columns so you can spot inventory bloat trends early.
Supplier lead time tracker
Actual vs. quoted lead time by supplier and part number, updated with each receipt. Feeds the reorder point calculation automatically so lead time creep triggers earlier alerts.
How to use this template
A practical walkthrough — five steps from blank spreadsheet to a working schedule.
- 1
Load your item master
On the Raw Materials tab, enter every active part number with its supplier, lead time, unit cost, and current on-hand quantity. Start with the top 50 parts by annual usage — you do not need every part loaded on day one to get value.
- 2
Set reorder points and safety stock
For each item, calculate your reorder point: (average daily usage × supplier lead time in days) + safety stock. The template includes a helper column that calculates reorder point automatically once you fill in usage rate and lead time.
- 3
Record receipts and issues
Every time material comes in from a supplier, add a receipt transaction. Every time material is issued to the floor for a work order, record an issue. The on-hand balance updates automatically. Consistency here is everything — the template is only as accurate as the transactions recorded in it.
- 4
Check the reorder dashboard daily
Each morning, open the Reorder Alert tab. It filters automatically to items at or below their reorder point. Review, confirm the alert is real (not a data entry error), and initiate a purchase order. This single habit prevents most stockouts.
- 5
Reconcile monthly
Once a month, do a physical count of your top 20 items by value and reconcile against the template. Discrepancies larger than 2% indicate either missing transactions or shrinkage. Investigate before the variance compounds over quarters.
When you outgrow this template
Excel is the right answer for early-stage scheduling — until it isn't. Here are the warning signs that you need a real production scheduling tool.
If three or more of these apply, you have outgrown Excel scheduling. The good news: you do not have to leave Excel behind. Resource Manager for Excel (RMX) is a real finite-capacity scheduling engine that runs as an Excel add-in — so your team keeps the interface they know while gaining the scheduling power of a dedicated APS tool.
Learn about RMXFrequently asked questions
Is this inventory template really free?+
Yes. The template ships with the free 30-day trial of Resource Manager for Excel (RMX). No credit card required. RMX is a full Excel-based production scheduling and inventory tool — the template gives you the starting structure, and RMX gives you the engine if you outgrow it.
What is the difference between this template and a full inventory management system?+
The template is a structured spreadsheet — you update it manually, it calculates and alerts, but it does not integrate with suppliers, work orders, or shop floor systems automatically. A full inventory management system (like RMX or RMDB) maintains a running transaction ledger, fires replenishment signals automatically, integrates with open work orders, and handles multiple locations. The template is the right starting point; dedicated software is the right tool once volume and complexity grow.
How do I calculate the reorder point for each part?+
Reorder point = (average daily usage × supplier lead time in days) + safety stock. The template includes a helper column that calculates this for you once you enter average daily usage and lead time. Safety stock is typically 1-2 weeks of average usage for stable-demand parts, higher for long-lead or single-source parts where supply disruption is costly.
Can this template handle both raw materials and finished goods?+
Yes. The template has separate tabs for raw materials, WIP, and finished goods. Each has its own register and tracking logic. The dashboard consolidates across all three with a total inventory value summary and separate reorder alerts for raw materials (buy signals) and finished goods (production signals).
How do I handle kits or assemblies that draw from multiple raw materials?+
For kits, use the WIP tab to record material issues against each assembly job. When you issue components to a work order, deduct them from raw material on-hand and record the WIP entry. When the assembly completes, the WIP entry converts to a finished goods receipt. This manual two-step keeps the ledger accurate without a formal BOM explosion engine.
How many SKUs can this template handle before performance degrades?+
Practically, the template works well up to about 300-400 line items per tab. Beyond that, Excel recalculation on the dashboard formulas becomes noticeably slow, especially on older hardware. At 500+ SKUs across all tabs, you should evaluate RMX or RMDB — both handle thousands of part numbers with no performance impact.
Get the free template — plus the tool that grew up around it
The template is the starting point. Resource Manager for Excel (RMX) is what manufacturers move to when their Excel scheduler starts breaking. 35+ years in production, free 30-day trial.