Glossary term
Work-in-Progress (WIP)
Work-in-progress, or WIP, is inventory that has entered production but is not yet complete enough to be sold as finished goods.
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What Is Work-in-Progress?
Work-in-progress, or WIP, is inventory that has entered production but is not yet complete enough to be sold as finished goods. It sits between raw materials and finished goods in the production cycle.
WIP matters because it ties up cash, labor, materials, overhead, and production capacity before revenue is earned. A business with too much WIP may have money stuck inside unfinished products, while too little WIP can indicate bottlenecks or underused capacity.
Key Takeaways
- WIP is partially completed inventory still in production.
- It is usually reported as part of inventory on the balance sheet.
- WIP includes costs such as materials, labor, and manufacturing overhead assigned to unfinished goods.
- Managing WIP helps control cash flow, production speed, and delivery timing.
Where WIP Fits in Inventory
Stage | Meaning | Financial Effect |
|---|---|---|
Raw materials | Inputs not yet used in production | Cash is tied up before manufacturing begins |
Work-in-progress | Partially completed goods | Costs are accumulating before sale |
Finished goods | Completed products ready for sale | Inventory is ready to convert into revenue |
Cost of goods sold | Cost transferred when products are sold | Affects gross profit |
How Businesses Use the Number
Manufacturers track WIP to understand how much value is sitting inside the production process. The number can reflect raw materials already consumed, direct labor applied, and overhead allocated to unfinished units.
WIP is also an operational signal. Rising WIP can mean demand is strong, production is scaling, or orders are waiting to be completed. It can also mean there is a bottleneck, poor scheduling, quality rework, or excess inventory building up before shipment.
Cash Flow and Accounting Context
WIP is generally an asset until the product is sold and the cost moves into cost of goods sold. That accounting treatment can make the balance sheet look stronger while cash is still tied up in materials and labor.
For managers, the practical question is how quickly WIP turns into finished goods and then into cash. Long production cycles, custom work, and supply delays can make WIP harder to value and manage.
The Bottom Line
Work-in-progress is unfinished inventory in the production pipeline. It is useful because it connects accounting to operations: too much WIP can signal trapped cash and bottlenecks, while well-managed WIP helps a business move from materials to sales more efficiently.