Calculator
Inventory Turnover Calculator
Estimate inventory turnover ratio from cost of goods sold and average inventory value.
Result
Inventory turnover ratio
4
How to use this calculator
What this calculator does
Estimate inventory turnover ratio from cost of goods sold and average inventory value.
How to use it
Enter your cost of goods sold and average inventory value, then review the result, formula, example, and FAQs below. Try a few scenarios to see which inputs move the result most.
What the result means
Use the result as a direct calculation from the values you entered. If it looks off, check the inputs and formula shown on this page.
Browse more business calculators for related estimates and comparisons.
Business results are estimates for planning and education. They are not business, legal, tax, employment, accounting, or financial advice.
Scenario guidance
When to use this
Use this when estimating how many times inventory turns over during a period.
Example scenario
A retailer is comparing inventory turnover before and after changing supplier order sizes.
Inputs that usually matter most
- Cost of goods sold, because turnover is usually based on inventory cost rather than sales revenue.
- Average inventory value, which should match the same period as cost of goods sold.
- Inventory method and seasonality, because timing and valuation can affect the estimate.
Common mistake to avoid
Do not compare turnover across products, seasons, or businesses without considering margins, stockouts, supplier timing, and inventory accounting methods.
How to interpret the result
Use turnover ratio as an operating estimate, then review stock levels, supplier costs, demand patterns, and accounting treatment separately.
Results are estimates for planning and education. They are not accounting, tax, legal, business, or financial advice.
Formula
The inventory turnover ratio compares cost of goods sold with average inventory value for the same period.
Example inventory turnover
$120,000 cost of goods sold and $30,000 average inventory value gives an inventory turnover ratio of 4.0.
Frequently Asked Questions
Should I use revenue or cost of goods sold?
This calculator uses cost of goods sold because inventory is usually measured at cost.
What if average inventory is zero?
Inventory turnover is undefined because the formula divides by average inventory value.
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