Amazon Seller Tools
Amazon Storage Fee Calculator
Estimate Amazon storage fees, aged inventory cost, removal cost, storage cost per unit, inventory value, months of coverage, and how storage pressure affects monthly profit.
Storage fee inputs
Enter inventory quantity, unit volume, monthly storage rate, months stored, aged inventory assumptions, removal cost, monthly sales, and profit before storage.
Inventory size
Storage costs
Profit and sales
Results
Estimated Amazon storage fee impact.
Total storage cost
$224.95
Monthly storage cost across entered months plus extra storage-related costs
Monthly storage cost
$39.15
Total cubic feet multiplied by monthly storage rate
Storage cost per unit
$0.75
Total storage cost divided by units stored
Monthly storage per unit
$0.13
Monthly storage cost divided by units stored
Adjusted monthly profit
$665.85
Monthly profit after storage, aged inventory, and extra costs
Adjusted profit per sold unit
$6.66
Adjusted monthly profit divided by monthly units sold
Storage share of profit
16.8%
Storage-related monthly costs divided by gross profit before storage
Storage share of revenue
3.8%
Storage-related monthly costs divided by monthly revenue
Total cubic feet
45
Units stored multiplied by cubic feet per unit
Aged inventory cost
$75.00
Units stored multiplied by aged inventory fee per unit
Removal cost
$12.50
Units removed multiplied by removal cost per unit
Inventory value
$3,600.00
Units stored multiplied by product cost per unit
Months of coverage
3
Units stored divided by monthly units sold
Sell-through rate
33.3%
Monthly units sold divided by units stored
Break-even units sold
17
Units needed to cover monthly storage-related costs
Units above break-even
83
Monthly units sold minus break-even units sold
What this means
Estimated total storage-related cost is $224.95, with monthly storage cost of $39.15.
Storage-related monthly costs are estimated to take 16.8% of gross profit before storage.
Current inventory equals about 3 months of coverage at the entered sales pace.
Storage duration scenario comparison
| Months | Total storage | Cost/unit | Adjusted profit | Status |
|---|---|---|---|---|
| 1 | $146.65 | $0.49 | $665.85 | Healthy |
| 2 | $185.80 | $0.62 | $626.70 | Healthy |
| 3 | $224.95 | $0.75 | $587.55 | Healthy |
| 6 | $342.40 | $1.14 | $470.10 | Healthy |
| 9 | $459.85 | $1.53 | $352.65 | Watch |
| 12 | $577.30 | $1.92 | $235.20 | Watch |
How to use this Amazon Storage Fee Calculator
Enter inventory
Add units stored, cubic feet per unit, and expected months stored.
Add storage rates
Include monthly storage rate, aged inventory fees, removal costs, and extra monthly costs.
Add sales pace
Enter monthly units sold and profit per unit before storage.
Review storage pressure
Compare storage cost, months of coverage, sell-through rate, and adjusted monthly profit.
Storage cost breakdown
Review the main storage-related costs affecting inventory profit.
Monthly storage cost
$39.15
Used to estimate storage pressure and inventory profitability.
Storage cost across entered months
$117.45
Used to estimate storage pressure and inventory profitability.
Aged inventory cost
$75.00
Used to estimate storage pressure and inventory profitability.
Removal cost
$12.50
Used to estimate storage pressure and inventory profitability.
Extra monthly costs
$20.00
Used to estimate storage pressure and inventory profitability.
Total storage cost
$224.95
Used to estimate storage pressure and inventory profitability.
Common Amazon storage fee mistakes
- ×Only checking product profit before storage fees are included.
- ×Ignoring unit dimensions and cubic feet when estimating FBA storage.
- ×Restocking slow-moving inventory before checking sell-through rate.
- ×Forgetting aged inventory costs, removal costs, and extra storage-related fees.
- ×Keeping too many months of inventory when demand is uncertain.
- ×Discounting too late after storage costs have already reduced profit.
Understanding your storage fee result
Healthy: Storage cost appears manageable compared with monthly profit and sales pace.
Watch Storage: Storage is taking a noticeable share of profit and should be monitored.
High Storage Risk: Storage may be taking too much profit or inventory may be moving too slowly.
Losing Money: Storage costs may be pushing monthly profit below zero.
What Amazon sellers should include
- ✓Units stored, unit volume, and total cubic feet.
- ✓Monthly storage rate and number of months stored.
- ✓Aged inventory fees, removal costs, and extra storage-related costs.
- ✓Monthly units sold, sell-through rate, and months of coverage.
- ✓Product cost, inventory value, and cash tied up in stock.
- ✓Profit per unit before storage and adjusted profit after storage.
Ways to reduce Amazon storage pressure
Improve sell-through
Improve pricing, listing quality, PPC, coupons, and inventory planning.
Send less inventory
Use smaller replenishment batches when demand is uncertain or sales are slow.
Clear slow stock
Use discounts, bundles, removals, or liquidation before storage drag grows.
Review dimensions
Large products may need tighter restock planning because storage costs can rise quickly.