Margin Ruler

Inventory Carrying Cost Calculator

Calculates the annual carrying cost of your current inventory level — including storage, cost of capital, and the hidden opportunity cost of capital tied …

Amazon FBA is active. Other marketplace modules stay marked as planned until audited.

Published fee inputs, dated assumptionsNo account or emailPrivate unless you save
Methodology

Inventory Carrying Cost Calculator. Estimates annual carrying cost from inventory value, storage percentage, capital cost, obsolescence, and turn rate.

Fee basis: source-state planning estimate; modeled fee basis is under review and not a Seller Central reconciliation. Last source-state review: 2026-06-07.

Source-state status

planning estimate. Planning estimate — fee basis is source-dated and under review, not a Seller Central reconciliation.

Modeled in the estimate

  • monthly storage fee — Planning estimate: this fee basis is not independently primary-source verified (secondary_only) and its source date has passed. Treat as directional, not a Seller Central reconciliation. report_mode

Explicitly excluded

  • low inventory level fee — Excludes Amazon low-inventory-level fees (depend on your days-of-supply, not modeled here).
  • aged inventory surcharge — Excludes aged-inventory surcharges (depend on how long stock has been stored).

Review the Amazon seller-fee source-state register →

Read the formula, inclusions, exclusions, and fee-category audit →

Calculator
Inputs
Enter your operating figures for a planning estimate based on published rate cards and industry midpoints.
We may earn a commission if you click a vendor link. External vendors are independent third parties.
Result
Fill in your operating figures above to get a planning estimate.

Inventory Carrying Cost Calculator

Use this Inventory Carrying Cost Calculator tool to estimate costs and plan next steps. This hub explains how to use the tool, what affects estimates, and where to go next. Below are the most common drivers people see for this kind of job.

What typically drives the estimate

  • Average inventory value held (at COGS)
  • Capital cost (interest rate or opportunity cost)
  • Storage cost per cubic foot per month
  • Shrinkage, obsolescence, and insurance rates
  • Average days-of-inventory on hand

Related pages

Disclosure: Affiliate disclosure: We may earn a commission when you engage a vendor through links on this site. This does not affect the price you pay or the cost estimates shown, which are calculated independently of vendor relationships. Calculator results are planning estimates only — not financial guarantees.

Canonical: https://www.marginruler.com/tool/inventory-carrying-cost-calculator/

Review vendors before committing — no obligation.

Inventory Carrying Cost Calculator

Use this Inventory Carrying Cost Calculator tool to estimate costs and plan next steps. This hub explains how to use the tool, what affects estimates, and where to go next. Below are the most common drivers people see for this kind of job.

What typically drives the estimate

  • Average inventory value held (at COGS)
  • Capital cost (interest rate or opportunity cost)
  • Storage cost per cubic foot per month
  • Shrinkage, obsolescence, and insurance rates
  • Average days-of-inventory on hand

Related pages

Disclosure: Affiliate disclosure: We may earn a commission when you engage a vendor through links on this site. This does not affect the price you pay or the cost estimates shown, which are calculated independently of vendor relationships. Calculator results are planning estimates only — not financial guarantees.

Canonical: https://www.marginruler.com/tool/inventory-carrying-cost-calculator/

Regional pages

Regional Inventory Carrying Cost Calculator pages

Use the regional inventory-carrying-cost pages when storage drag, sell-through timing, markdown pressure, or capital allocation differs by market. The local pages keep the carrying-cost check tied to a regional planning context. Browse below; the calculator math is the same on each regional planning page.

Australia

Canada

New Zealand

United States