Free Inventory Cost & COGS Calculator

Calculate your Cost of Goods Sold using FIFO, LIFO, and Weighted Average methods. Upload or enter your purchase orders, compare results side-by-side, and export.

100% free, no signup required.
Purchase Order Automation Shopify App
CALCULATE YOUR COST OF GOODS SOLD (COGS)

4 Simple Steps to Get Your Complete Report

01. Upload Your Purchase Orders

Upload your purchase data

Drop in your CSV file with purchase order history. Our tool reads your order dates, SKUs, quantities, and unit costs — everything else is optional. Don't have a file ready? Download our free template.

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CSV Upload

Drag and drop your CSV files to enter months of purchasing data all at once.
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Your data stays in your browser

The application is purely client-side, meaning the inputs you share are not being sent to a server so you can use it with a peace of mind.
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02. See FIFO, LIFO, and Weighted Average

Compare costing methods

Instantly calculate your Cost of Goods Sold under all three inventory costing methods. See which approach gives you the lowest COGS, highest ending inventory value, and how they impact your margins.

Are you using the right inventory costing method for your business?

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03. EXPORT YOUR RESULTS

Download your report ready to use!

Export your inventory cost analysis as a PDF summary or CSV file. Share it with your accountant, use it for tax planning, or keep it for your records — completely free, no signup required.

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Purchase Order Automation Shopify App