Inventory Turnover Calculator

Measure how efficiently a company manages its inventory.

Inventory Turnover & Days Sales of Inventory

Measure how efficiently inventory moves. Compare turnover and DSI estimates against common industry baselines. Toggle between GAAP and simplified methods for flexible insight.

Step 1 — Choose calculation method

Preset

Cost of Goods Sold (COGS)Total cost of goods sold during the period.

Beginning InventoryOpening stock value at period start.

Ending InventoryClosing stock value at period end.

Days in PeriodUsually 365; use 360 for quarterly banding.

Average InventoryAuto-calculated from beginning and ending inventory.

Inventory Turnover Ratio

8.33

Formula: COGS / [60000 ]

Strong / Fast-movingBenchmark 6-12×

success: Benchmark range

Days Sales of Inventory (DSI)

43.8

days

Formula: 365 ÷ Turnover = 365 ÷ 8.33

Lean InventoryFewer days often reflects lean inventory control.

Benchmark context

Above benchmark

Below benchmark

Tight range

Current selection: General Retail / benchmark 6-12×. Retail and consumer goods often see higher turnover and lower DSI; heavy equipment and aerospace commonly see lower turnover with higher DSI. Use benchmarks as directional context, not absolute targets.