Costco Wholesale (COST) Inventory Turnover: 3.20 (As of May. 2026)


COST Costco Wholesale Corp COST
97 GF Score
Price $952.54
GF Value $1,015.53
Valuation Fairly Valued
! 1 Warning Sign
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What is Costco Wholesale Inventory Turnover?

Costco Wholesale COST +1.09% 97 Inventory Turnover is 3.20 as of May. 2026. GuruFocus rates COST with a GF Score™ of 97/100 and a GF Value™ of $1,015.53 (Fairly Valued). The stock has 1 warning sign investors should review.

Inventory Turnover measures how fast the company turns over its inventory within a year. It is calculated as Cost of Goods Sold divided by Total Inventories. Costco Wholesale's Cost of Goods Sold for the three months ended in May. 2026 was $61,519 Mil. Costco Wholesale's Average Total Inventories for the quarter that ended in May. 2026 was $19,205 Mil. Costco Wholesale's Inventory Turnover for the quarter that ended in May. 2026 was 3.20.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Costco Wholesale's Days Inventory for the three months ended in May. 2026 was 28.49.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Costco Wholesale's Inventory-to-Revenue for the quarter that ended in May. 2026 was 0.27.

Costco Wholesale  (NAS:COST) Inventory Turnover Explanation

Inventory Turnover measures how fast the company turns over its inventory within a year. A higher Inventory Turnover means the company has light inventory. Therefore the company spends less money on storage, write downs, and obsolete inventory. If the inventory is too light, it may affect sales because the company may not have enough to meet demand.

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Costco Wholesale's Days Inventory for the three months ended in May. 2026 is calculated as:

Days Inventory =Average Total Inventories (Q: May. 2026 )/Cost of Goods Sold (Q: May. 2026 )*Days in Period
=19204.5/61519*365 / 4
=28.49

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Costco Wholesale's Inventory to Revenue for the quarter that ended in May. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories (Q: May. 2026 ) / Revenue (Q: May. 2026 )
=19204.5 / 70527
=0.27

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Be Aware

Usually retailers pile up their inventories at holiday seasons to meet the stronger demand. Therefore, the inventory of a particular quarter of a year should not be used to calculate Inventory Turnover. An average inventory is a better indication.

Costco Wholesale Inventory Turnover Related Terms

Costco Wholesale Inventory Turnover Historical Data

* Premium members only.

The historical data trend for Costco Wholesale's Inventory Turnover can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Costco Wholesale Inventory Turnover Chart

Costco Wholesale Annual Data
Trend Aug16 Aug17 Aug18 Aug19 Aug20 Aug21 Aug22 Aug23 Aug24 Aug25
Inventory Turnover
Get a 7-Day Free Trial Premium Member Only Premium Member Only 12.90 12.41 12.30 12.60 13.05

Costco Wholesale Quarterly Data
Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26 May26
Inventory Turnover Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 2.94 4.09 2.98 3.03 3.20
COST
97GF Score
Costco Wholesale Corp COST
Inventory Turnover is just one metric. See GF Score™, valuation, warning signs, and more.
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Costco Wholesale Inventory Turnover Calculation

Costco Wholesale's Inventory Turnover for the fiscal year that ended in Aug. 2025 is calculated as

Inventory Turnover (A: Aug. 2025 )
=Cost of Goods Sold / Average Total Inventories
=Cost of Goods Sold (A: Aug. 2025 ) / ((Total Inventories (A: Aug. 2024 ) + Total Inventories (A: Aug. 2025 )) / count )
=239886 / ((18647 + 18116) / 2 )
=239886 / 18381.5
=13.05

Costco Wholesale's Inventory Turnover for the quarter that ended in May. 2026 is calculated as

Inventory Turnover (Q: May. 2026 )
=Cost of Goods Sold / Average Total Inventories
=Cost of Goods Sold (Q: May. 2026 ) / ((Total Inventories (Q: Feb. 2026 ) + Total Inventories (Q: May. 2026 )) / count )
=61519 / ((18991 + 19418) / 2 )
=61519 / 19204.5
=3.20

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Inventory Turnover →
What does a Inventory Turnover of 3.20 mean?
Costco Wholesale (COST) has a Inventory Turnover of 3.20 as of May. 2026. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Costco Wholesale and its competitors.
Is Costco Wholesale's Inventory Turnover too high?
Costco Wholesale's current Inventory Turnover is 3.20. Overall, Costco Wholesale has a GF Score™ of 97/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Costco Wholesale's Inventory Turnover compare to TGT and DG?
Costco Wholesale's Inventory Turnover of 3.20 can be compared against companies in the Retail - Defensive industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Inventory Turnover for a Retail - Defensive company?
A good Inventory Turnover depends on the Retail - Defensive industry context. However, Inventory Turnover should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Inventory Turnover mean?
A high Inventory Turnover can signal that a stock is expensive relative to its fundamentals. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Costco Wholesale and its competitors. Costco Wholesale's current Inventory Turnover is 3.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costco Wholesale stock overvalued right now?
Based on GuruFocus' analysis, Costco Wholesale (COST) is currently considered Fairly Valued. The stock's GF Value™ is $1,015.53, compared to a current price of $952.54 — trading 6.2% below its estimated fair value. The current Inventory Turnover is 3.20. Costco Wholesale's overall GF Score™ is 97/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Inventory Turnover calculated?
Inventory Turnover is calculated from a company's financial statements. For Costco Wholesale (COST), the current Inventory Turnover is 3.20 as of May. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Costco Wholesale (COST) Overvalued in 2026?

Based on GuruFocus' analysis, Costco Wholesale stock appears to be undervalued. The current stock price of $952.54 is trading 6.2% below its estimated GF Value™ of $1,015.53. GuruFocus considers Costco Wholesale to be Fairly Valued.

Key valuation signals for COST:

  • Inventory Turnover: 3.20
  • GF Value™: $1,015.53 vs. price of $952.54 (6.2% below fair value)
  • GF Score™: 97/100 with 1 warning sign

No single metric tells the full story. See the COST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Costco Wholesale Business Description

Address 999 Lake Drive, Issaquah, WA, USA, 98027
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
97GF Score

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Inventory Turnover is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$952.54
Price
$1,015.53
GF Value