Question 1

How much does Amazon charge for FBA storage fees?

Accepted Answer

Amazon FBA storage fees vary by size and season. Standard-size items cost $0.78 per cubic foot (January-September) and $2.40 per cubic foot (October-December). Oversized items cost $0.56 per cubic foot (off-peak) and $1.20 per cubic foot (peak season). Additional long-term storage surcharges apply to inventory stored 181+ days.

Question 2

What is the long-term storage surcharge on Amazon FBA?

Accepted Answer

Amazon charges a long-term storage surcharge for inventory stored 181-365 days at $1.50 per cubic foot. For inventory stored 365+ days, the fee increases to $6.90 per cubic foot. These surcharges are in addition to monthly storage fees and are assessed on the 15th of each month.

Question 3

When is peak season for Amazon FBA storage fees?

Accepted Answer

Amazon FBA peak season runs from October 1 through December 31 each year. During peak season, monthly storage fees increase significantly: standard-size items jump from $0.78 to $2.40 per cubic foot (3x increase), and oversized items go from $0.56 to $1.20 per cubic foot. Plan inventory carefully to minimize peak season storage costs.

Question 4

How can I reduce my Amazon FBA storage fees?

Accepted Answer

Reduce FBA storage fees by: 1) Removing slow-moving inventory before the 180-day mark, 2) Optimizing packaging to reduce cubic feet, 3) Using smaller shipments to match sales velocity, 4) Running promotions to clear aging inventory, 5) Monitoring Inventory Performance Index (IPI) scores, and 6) Avoiding peak season storage by selling through Q4 inventory.

Question 5

How are Amazon storage fees calculated?

Accepted Answer

Amazon storage fees are calculated using: (Item Volume in Cubic Feet) × (Monthly Storage Rate) × (Number of Months). Volume is determined by product dimensions (Length × Width × Height ÷ 1728). Rates depend on size tier (standard/oversized) and season (off-peak/peak). Long-term surcharges apply for inventory stored 181+ days.

Question 6

What is the difference between standard and oversized storage fees?

Accepted Answer

Standard-size items (under 20 lbs, 18×14×8 inches) have higher storage rates: $0.78/cu ft off-peak and $2.40/cu ft peak. Oversized items have lower rates: $0.56/cu ft off-peak and $1.20/cu ft peak. However, oversized items typically have much larger volumes, so total costs can still be higher despite the lower rate.

Question 7

When does Amazon assess aged inventory surcharges?

Accepted Answer

Amazon assesses aged inventory surcharges on the 15th of each month for inventory stored 181+ days. The fee is $1.50/cu ft for 181-365 days and $6.90/cu ft for 365+ days. To avoid these fees, monitor your inventory age report and remove or liquidate slow-moving products before they reach 180 days.

Question 8

How does this calculator save my data?

Accepted Answer

Your product inventory is automatically saved to your browser local storage using the key "calcmatic-amazon-storage-fee". When you return, your previous products and values are restored. No data is sent to our servers - everything stays private on your device. Click "Reset Saved Data" to clear and start fresh.

Amazon FBA Storage Fee Calculator

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