Reviewed Jun 3, 2026

Estimate worksheet

Tariff and landed-cost calculator

Estimate import duty, tariff overlays, MPF, HMF, freight, marketplace costs, and resale margin from one practical worksheet.

HTS

Search suggestions are starter estimates. Verify classification and Chapter 99 treatment before relying on results.

Tariff stack

Check HTS
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Entry fees

MPF and HMF

Marketplace

Per unit

Use these fields for any marketplace, store builder, or wholesale channel. Platform fees are editable starter inputs.

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Calculator pages

Marketplace and storefront calculators

Focused calculators for common selling channels. Each page keeps the same customs worksheet with platform-specific starter inputs.

General tariff calculator Import duty, MPF, HMF, landed cost, and resale margin. Current page. Amazon FBA Referral fee, FBA-style fulfillment, tariffs, and margin. Shopify Payment processing, merchant fulfillment, and tariff math. Etsy Transaction, payment, listing, import, and margin estimate. TikTok Shop Referral, creator/affiliate room, landed cost, and margin. eBay Final value fee, per-order fee, duty, and resale margin. Walmart Marketplace Referral-fee placeholder, WFS-style fulfillment, and tariffs. WooCommerce Payment processing, merchant fulfillment, and import cost. BigCommerce Storefront payment processing and landed-cost estimate. Wix Stores Payment processing, fulfillment, tariffs, and margin. Squarespace Commerce Storefront fees, processing, import duty, and margin.

Batch check

Paste a SKU list

Columns: sku, unit_cost, qty, freight, sell_price, base_duty, extra_tariff.

SKU Landed/unit Profit/unit Margin

Reference trail

Sources and limits

Defaults are intended to make the worksheet useful on day one, not to replace a broker, customs ruling, or official HTS review.

USITC Harmonized Tariff Schedule Official HTS search, current revision, Chapter 99 notices, and export data. CBP Merchandise Processing Fee Formal MPF rate, FY2026 minimum and maximum, and informal fee references. CBP Importing into the United States General import process reference, including HMF discussion. USTR Section 301 tariff actions China Section 301 action and exclusion reference pages.