Free inventory tools
Make better inventory decisions without another spreadsheet.
Use these free calculators to answer common stock questions quickly. No account is required and the calculations run in your browser.
Reorder Point Calculator
Estimate when you should reorder an item using average daily demand, lead time and safety stock.
Calculate reorder point →Safety Stock Calculator
Estimate a practical safety-stock buffer using demand and supplier lead-time variability.
Calculate safety stock →Inventory Shrinkage Calculator
Measure the gap between recorded inventory and the inventory you actually counted.
Calculate shrinkage →Inventory Turnover Calculator
See how often inventory is sold and replaced during a period and estimate days inventory is held.
Calculate turnover →When a calculator turns into a daily workflow
Reorder points, stock counts and shrinkage become more useful when they stay connected to the inventory record. Stockr is built to track stock, scan barcodes, manage suppliers and purchase orders, and surface low-stock issues from one system.
Try Stockr free