Inventory Turnover Formula
The Inventory Turnover formula measures how many times a company sells and replaces its inventory over a specific period, indicating the efficiency of its inventory management and liquidity.
Formula
Copy the exact expression or work through it step by step below.
Inventory Turnover = Cost Of Goods Sold / Average Inventory Variables
IT
Inventory Turnover
The inventory turnover value plugged into the inventory turnover calculation.
CGS
Cost Of Goods Sold
The cost-side input that anchors the inventory turnover math.
AI
Average Inventory
The average inventory value plugged into the inventory turnover calculation.
Step By Step
- 1
Set the baseline case with the real calculator inputs.
Cost Of Goods Sold = $500,000, Beginning Inventory = 80,000, Ending Inventory = 70,000, Period = Annual
- 2
Translate rates, periods, and cash values onto the same footing before combining them.
Keep the inventory turnover assumptions consistent instead of mixing monthly and annual views.
- 3
Apply the formula and read the first calculator outputs, not just the headline assumption.
The calculator lands with average inventory at 75,000 and turnover ratio at 6.67%.
- 4
Run one changed scenario so the formula is stress-tested before it is trusted.
The inventory turnover calculator page is the fastest way to compare that second case.
Worked Example
Inventory Turnover sample case
Cost Of Goods Sold
$500,000
Beginning Inventory
80,000
Ending Inventory
70,000
Period
Annual
Inventory Turnover = Cost Of Goods Sold / Average Inventory using cost of goods sold $500,000, beginning inventory 80,000, ending inventory 70,000, period Annual.
The calculator lands with average inventory at 75,000 and turnover ratio at 6.67%.
Common Variations
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Sources & References
- Inventory Turnover — Investopedia
- Inventory Turnover Ratio — Corporate Finance Institute
Related Content
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Inventory Turnover Examples
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How to Use Inventory Turnover Calculator
Inventory turnover = cost of goods sold ÷ average inventory. Compare your turn rate to retail and DTC benchmarks to free trapped cash.
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