Fermi question · Business
According to Costco’s August 2026 sales release, about how many warehouses did Costco operate worldwide?
Make a fast, defensible estimate before you reveal the reference answer. Think in factors, not exact recall.
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Reference answer
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≈ 939 warehouses
Fermi estimates are judged by scale, so a reasonable approximation can still earn a strong score.
One way to estimate it
Estimate from roughly 650 U.S./Puerto Rico locations plus a few hundred international warehouses.
- U.S. and Puerto Rico≈ 650 warehouses
- International≈ 290 warehouses
- Estimate≈ 940 warehouses
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