Amazon Aged Inventory Surcharge Calculator
What holding on actually costs.
Amazon revises fee schedules at least annually and adds new surcharges more often. These defaults are a starting point — the figures in your own fee preview are the ones that describe your ASINs.
Aged inventory surcharge
$60
per month on 240 units
Selling through takes 9.6 months and costs $576 in surcharges along the way — and the rate rises as the stock ages further. Discounting hard enough to clear it in two months is usually cheaper than waiting.
How the Amazon Aged Inventory Surcharge Calculator works
The aged inventory surcharge escalates by band, and the top band is punitive by design — it exists to make holding dead stock the worst available option. Working out how many months of surcharge stand between you and sell-through usually settles the question.
Not financial advice. Marketplace fees change, and they vary by country, plan and seller status. Every rate here is an editable default, not a quoted price — check the platform's current fee schedule before you price a product against it. This is not tax or business advice.
Frequently asked questions
When does the aged inventory surcharge start?
Once units pass the first ageing threshold, with rates stepping up in bands as they get older. The clock runs from arrival at the fulfilment centre.
How much is it?
It rises steeply by band, and the top band is charged at a rate that can consume the entire cost value of the stock within a handful of months. That escalation is deliberate.
How do I decide whether to hold or clear?
Compare the surcharge you will pay over the realistic sell-through period against the loss from discounting hard enough to clear it now. In slow-moving stock, clearing almost always wins.
Does discounting help?
Yes, twice over — it clears the units and it removes them from the ageing calculation. Sellers who discount before the first threshold rather than after it pay a fraction as much.