Free tools · No sign-up
12 free inventory calculators
Each uses a real inventory-management formula — no vague estimate and no account required.
Looking for a full app instead of a single calculator? See our roundup of Shopify inventory management apps.
★ Expiry-aware reorder
The signature tool: should you order now, considering expiry dates?
Reorder pointWhen should you reorder?
Safety stockThe buffer needed for demand variability.
Tied-up cashHow much capital is tied up in inventory.
Expiry sell-through rateWill you sell through in time?
Dead stock costThe exact cost of an unsold batch.
Estimated dead-stock %A quick estimate from your turnover.
Stockout dateWhen you will run out of stock.
Economic order quantity (EOQ)The order quantity that minimizes your costs.
Inventory turnover rateHow quickly your capital turns over.
Days of inventoryHow many days your current stock will last.
Inventory app ROIWhat a tool like Foreshelf could save you.