How to use this Amazon Reorder Calculator
Enter your marketplace assumptions and review the result before changing price, discounts, advertising, shipping, or inventory decisions.
Formula
Amazon sellers should include inbound delays and safety stock because stockouts can hurt sales rank and paid ad momentum.
What this calculator includes
- Uses daily sales, supplier lead time, safety stock, current inventory, and inbound units.
- Shows reorder point, days of cover, days until reorder, and reorder status.
- Flags reorder now, reorder soon, or healthy stock conditions.
FAQ
What does this calculator estimate?
Find when to reorder Amazon inventory using daily sales, lead time, safety stock, and current inventory.
What formula does it use?
Reorder Point = Average Daily Sales × Lead Time + Safety Stock
Is this an official marketplace fee quote?
No. This calculator uses your inputs for planning. Actual Amazon, Shopify, payment, shipping, and tax rules can vary by market, category, plan, and time.
What should I check next?
Review profit, fees, shipping, conversion, inventory, returns, and repeat purchasing together before changing price or spend.