Operations guide · Inventory accuracy
Cycle Count vs Full Count
A cycle count counts selected items or locations on a rolling basis throughout the year. A full count counts the whole defined scope at a given time. They are not rivals; they complement each other depending on risk and regulatory needs.
Which one, when?
| Dimension | Cycle count | Full count |
|---|---|---|
| Scope | Small portions based on ABC / risk | The whole warehouse or the legal scope |
| Operational impact | Low; planned continuously | High; may require a shutdown |
| Error detection | Early, focused on root causes | A periodic snapshot |
| Planning | Frequency and sampling rules | Cut-off time and team plan |
Handling stock changes during a cycle count
If goods are received, picked or transferred on the counted stock while the count is running, it becomes unclear which moment the result belongs to. A stock change approach records the movements after the count starts, with timestamps and source documents, and reconciles them against the count result.
- Freeze: temporarily blocks movements on the location; safest, but it stops operations.
- Snapshot + reconciliation: takes the starting balance and adds or subtracts later movements from the result.
- Recount: drops a location that saw movement from the first count and assigns it again.
Whichever approach you choose, separate the scan time from the system posting time, and account for movements that offline devices send late.
What is a count revision?
A count revision opens a second or third independent count when the first result exceeds the tolerance; the approved result becomes the basis for the stock adjustment. The term may not mean the same thing in every WMS. In a robust flow the first count quantity is not shown to the next counter, counters are kept separate, and a reason code is mandatory for differences.
Checklist
- Define the scope by location, item, lot and stock status.
- Set blind count, tolerance and recount rules.
- Choose the movement policy during the count.
- Define who approves differences and the accounting impact in the ERP.
- Do not just correct differences; classify root causes such as wrong putaway, missed scans or unit conversions.
For traceability, read the lot, expiry and serial number guide; for the physical stock model, the stock hierarchy guide.