#372 · E-commerce Tool

Shopify Inventory Calculator

Calculate Shopify inventory reorder point, days of cover, and stockout risk using daily sales, lead time, and safety stock.

Your numbers

Shopify Inventory
Ad space

How to use this Shopify Inventory Calculator

Enter your marketplace assumptions and review the result before changing price, discounts, advertising, shipping, or inventory decisions.

Formula

Reorder Point = Average Daily Sales × Supplier Lead Time + Safety Stock

Inventory planning should balance stockout risk against cash tied up in slow-moving inventory.

This is an independent planning calculator. Verify final marketplace, payment, shipping, and tax details inside your seller dashboard.

What this calculator includes

  • Uses current stock, daily sales, supplier lead time, safety stock, and inbound inventory.
  • Calculates reorder point, days of cover, days until reorder, and stockout status.
  • Flags healthy inventory, reorder soon, or reorder now conditions.

FAQ

What does this calculator estimate?

Calculate Shopify inventory reorder point, days of cover, and stockout risk using daily sales, lead time, and safety stock.

What formula does it use?

Reorder Point = Average Daily Sales × Supplier 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.

Inventory status guide

Days Remaining estimates current cover at the current daily sales pace. Overstock Risk appears when inventory cover is too high, while reorder risk appears when stock approaches reorder point.