How is inventory turnover calculated?

Inventory turnover = cost of goods sold ÷ average inventory. It tells you how many times stock is sold and replaced over the period.

What are days inventory outstanding?

Days inventory outstanding ≈ 365 ÷ turnover. It estimates how many days, on average, stock sits before being sold.

No — the calculation runs entirely in your browser and nothing is sent anywhere.

Inventory Turnover Calculator

How many times you sell through stock per year.

Inventory turnover calculator

Inventory turnover measures how efficiently you sell through stock: cost of goods sold divided by average inventory. A higher ratio means inventory moves quickly; a low ratio can signal overstocking or slow sales.

Enter your COGS and average inventory to see turnover per year plus days inventory outstanding — all computed privately in your browser.