Calculate retail sell-through, weeks-of-supply, and reorder flags for each SKU over a selected selling period.
Receipts can be left at zero when no new inventory arrived during the period.
| SKU / Item | Units sold | Beginning inventory | Receipts | Action |
|---|
Results update as you edit the inputs.
| SKU / Item | Sell-through | Ending inventory | Weeks-of-supply | Reorder flag |
|---|
Runs golden checks against the core sell-through percentage and reorder flag functions.
Sell-through rate gives retailers and wholesale operators a clean read on how much available inventory actually moved during a period. By comparing units sold against beginning stock plus receipts, the calculator highlights slow movers, broken size curves, and items that may need reorder, markdown, or replenishment action before cash gets tied up in aging stock.
A common retail formula is units sold divided by beginning inventory plus receipts for the period. Some teams use available units net of returns or transfers, so the inputs should match your reporting policy.
High sell-through can indicate strong demand, but it may also show that inventory was too shallow and sales were lost. Pair it with stockouts, margin, and replenishment lead time before deciding to reorder.
Sell-through focuses on unit movement during a defined selling period. Inventory turnover usually compares cost of goods sold with average inventory value over a financial period.
Yes, if the goal is to measure how much inventory left the shelf. Track full-price and markdown sell-through separately when margin quality matters.
Use a period that matches the buying and selling cycle, such as launch week, month-to-date, or season-to-date. Seasonal goods often need more frequent reads because late markdowns have less time to recover cash.