Inventory & operations

Inventory Turnover Calculator

Compare cost of goods sold with average inventory at cost.

No sign-upBrowser-only calculationsFormula & methodology
01

Your numbers

Use one currency and the same reporting period. Sample values are filled in to help you start.

currency
currency
currency

Your numbers stay in this browser.

02

Example result

Inventory turnover8×
Average inventory
30,000

The two-point average may hide seasonality. Revenue should not be substituted for COGS when inventory is valued at cost.

Understand the result

How to calculate it

Turnover = COGS ÷ ((opening inventory + closing inventory) / 2)

The two-point average may hide seasonality. Revenue should not be substituted for COGS when inventory is valued at cost.

Worked example

This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.

Cost of goods sold in period
240,000 currency units
Opening inventory at cost
40,000 currency units
Closing inventory at cost
20,000 currency units

Inventory turnover: 8×

Common questions

Inventory Turnover FAQ

Can a very high turnover be a problem?

It can indicate efficient stock use or insufficient stock and missed sales. Check service levels alongside turnover.

What does this calculation leave out?

The two-point average may hide seasonality. Revenue should not be substituted for COGS when inventory is valued at cost.

Are my inputs saved or sent to a server?

Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.

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