Reviewed Jun 3, 2026

Estimate worksheet

BigCommerce import duty calculator

Estimate landed cost and store margin for imported products sold through BigCommerce after duty, tariff overlays, processing, and fulfillment.

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

Starter BigCommerce inputs model payment processing and merchant fulfillment. Adjust the rate to match your processor and plan.

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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. 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. Current page. 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.

BigCommerce ecommerce resources Platform fee reference for this page. Use the calculator inputs to match your exact account, category, plan, and fulfillment setup. 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.