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Finance Calculator
Inventory Turnover Calculator
See how efficiently inventory is sold and replaced over a year.
Formula: Inventory Turnover = COGS / Average Inventory
See how efficiently inventory is sold and replaced over a year.
Tip: figures are local to your browser and are not uploaded.
The Inventory Turnover Calculator measures how efficiently your business sells and replaces stock within a given period. A higher turnover ratio means products move quickly, reducing holding costs and freeing up cash, while a low ratio may indicate overstocking or slow-moving items that tie up working capital.
Inventory turnover is a financial ratio calculated by dividing the cost of goods sold by the average inventory value for a period. It tells you how many times your entire stock is sold and replaced during that timeframe. Businesses with high turnover ratios typically enjoy better cash flow and lower warehousing costs, while low turnover can signal excess inventory, poor demand forecasting, or pricing issues. This free, browser-based calculator also shows the average days to sell inventory, giving you a time-based perspective on stock efficiency.
Enter your cost of goods sold for the period and your average inventory value. Click Calculate and the tool instantly shows your inventory turnover ratio and the average number of days it takes to sell through your stock. All processing runs locally in your browser with no data shared and no account required. You can recalculate for different periods or product categories to pinpoint which areas of your inventory perform best and which need attention.