Margin Ruler

Inventory Carrying Cost Calculator for Shipping Cost Calculator (United States)

Inventory Carrying Cost Calculator for Shipping Cost Calculator in United States. Start with a national planning baseline, then choose a city to open the regional planning page.

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.
Review vendors before committing — no obligation.

This page is the city-agnostic starting point used for planning and AI-agent handoff. Pick a city below to open the regional planning page. The calculator uses the same source-dated fee logic unless local calibration is shown.

Choose your city