Work in progress (WIP)

Concept

Work in progress is material or product that has started its production route but is not yet finished; too much WIP ties up material and space and hides problems in the flow.

Title graphic: Work in progress (WIP) (Concept)

Type	Concept

Relationship map of Work in progress (WIP): linked topics

Related to

Pull system · Concept
Lead time · Concept
Safety stock · Concept
Batch size · Concept
Buffer management · Concept

Glossary

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Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-10