What is an anti-dumping duty?

Anti-dumping duty (ADD) is a tariff imposed when a foreign country exports goods at a price below their "normal value" (essentially, the price in the home market or cost of production). The duty is designed to level the playing field for domestic manufacturers. In the US, anti-dumping investigations are conducted jointly by the Department of Commerce (DoC, determines dumping margin) and the International Trade Commission (ITC, determines injury). If both find dumping and injury, a countervailing duty order is issued — importers then pay ADD on top of all other applicable duties.

How is anti-dumping duty calculated in the US?

US anti-dumping duty rates are calculated per-company by the Department of Commerce. The dumping margin (the percentage by which the export price is below normal value) becomes the AD rate. If your specific Chinese manufacturer has been individually investigated and received a lower rate, you pay that rate. If your manufacturer has NOT been individually investigated, you pay the "all-others" rate (or in some cases, the much higher "China-wide" rate if China is treated as a non-market economy). AD rates for Chinese goods often range 10–600%+, making some Chinese products effectively unimportable.

How do I know if my product is subject to anti-dumping duties?

Check the USITC Antidumping/Countervailing Duty (AD/CVD) Lookup Tool at usitc.gov or CBP's ADCVD search at cbp.gov. Search by HTS code or product description. The order scope describes exactly which products are covered — scope language is precise and technical. If your product is similar to but not within the scope, you may request a scope ruling from the DoC. Scope rulings are legally binding and protect you from incorrect duty assessment. If your product is within scope and you import without paying ADD, CBP can assess duties retroactively with interest and penalties.

What is the difference between anti-dumping and countervailing duties?

Anti-dumping duties (ADD) target below-market pricing by foreign producers. Countervailing duties (CVD) target foreign government subsidies that benefit producers and distort competition. Both are authorized under WTO agreements. In practice, US AD and CVD orders are often issued together against the same Chinese product — so importers pay both. CVD rates for Chinese goods reflect the benefit of Chinese government subsidies and range from 0% to 200%+. Both ADD and CVD are in addition to standard duties, Section 301, and IEEPA tariffs.

What is an annual administrative review and how does it affect AD rates?

After an AD order is issued, the DoC conducts annual administrative reviews (AARs) where importers or exporters can request a review of the AD rate for the prior year. If the actual dumping margin is lower than the assessed rate, you may receive a refund. If higher, you may owe additional duties (called "retroactive assessment"). This creates significant uncertainty — companies import goods, post a bond for estimated duties, and only discover the actual liability 2–3 years later after the review. This is why AD orders create serious cash flow risk for importers.

What Chinese products have the highest US anti-dumping duty rates?

Some of the highest US AD+CVD rates on Chinese products: Steel wire rod — up to 800% AD. Steel nails — 118–186% AD. Solar cells/panels — up to 254% combined AD+CVD. Aluminum extrusions — up to 374% AD + 374% CVD. Certain steel pipe products — up to 266% AD. Wooden bedroom furniture — 6.65–216% AD. Ceramic tile — up to 337% AD. Crystalline silicon photovoltaic cells — 19.5–249% AD. These orders often effectively eliminate imports of those products from China into the US.

Can I avoid anti-dumping duties by sourcing from a third country?

Only if the goods are genuinely manufactured in that third country. CBP and Commerce actively investigate "circumvention" — routing Chinese goods through third countries (Vietnam, Malaysia, Thailand) with minimal transformation. If CBP finds circumvention, they can extend the AD order to cover imports from the third country. Real manufacturing in a third country (substantial transformation) avoids ADD — but the legal standard is high. In recent years, Vietnam-origin solar panels, steel, and aluminum have faced circumvention investigations specifically because of Chinese transshipment concerns.

How does the anti-dumping cash deposit rate work?

When an AD order is in effect, importers must post a cash deposit (effectively a bond/payment) equal to the estimated AD rate at the time of entry. The actual rate is determined later by annual administrative review. If the review rate is lower, CBP refunds the difference with interest. If higher, additional duty is assessed. Cash deposits tie up significant working capital for importers: a $100,000 shipment with 50% cash deposit rate requires $50,000 upfront. This unpredictability is why many importers avoid China-origin products under AD orders entirely.

🏛️ Import Duties & Taxes

Anti-Dumping Duty Calculator — ADD & CVD from China

Anti-dumping duties can be 20–250%+ and they blindside importers who skip this check. Enter your product category to see if an AD/CVD order exists, who it covers, and the cash deposit rate CBP will demand.

Reference Basis

Based on published HTS, CBP, USTR, and other official tariff guidance in effect at the last review date.

Planning Note

Use this for planning. Final duty liability depends on HTS classification, origin, exclusions, non-stacking rules, and customs review.

Secondary opportunity

anti-dumping duty calculator
Medium SERP difficulty

FOB Value USD Total FOB value of the shipment. ADD is assessed on FOB value.

Standard HTS Duty Rate % Your normal Column 1 General duty rate.

Anti-Dumping Duty (ADD) Rate % ADD rate for your product/country combination. Find at commerce.gov.

Countervailing Duty (CVD) Rate % CVD rate if a CVD order also applies. Often 0 if only ADD applies.

How Anti-Dumping Duties Work in Practice

Anti-dumping duties are among the most complex and highest-risk tariffs for importers. Unlike standard duties (a fixed % on CIF value), ADD rates are company-specific, can be retroactively adjusted, and are layered on top of all other duties.

The AD Rate Structure

Rate Type	When Applied	Who Gets It
Company-specific rate	Manufacturer was individually reviewed	Best outcome — lowest rate
All-Others rate	Manufacturer not individually reviewed	Middle tier
China-wide rate	Manufacturer unknown or non-compliant	Highest rate — often 100–500%+
Preliminary rate	During investigation, before final order	Applied at entry, adjusted later

The China-wide entity rate is the most dangerous — it applies when your manufacturer cannot prove their factory was separately investigated, and it can be hundreds of percent.

Worked Example: Solar Panels from China (AD+CVD Order)

Item	Calculation	Amount
FOB Price	$200/panel × 100 panels	$20,000
Sea Freight	—	$1,500
Insurance	$20,000 × 0.5%	$100
CIF Value		$21,600
Standard HTS Duty	$21,600 × 0%	$0
Section 301	$20,000 × 50% (solar panels)	$10,000
IEEPA	$20,000 × 20%	$4,000
Anti-Dumping Deposit	$21,600 × 19.5% (Company A rate)	$4,212
CVD Deposit	$21,600 × 15.24%	$3,292
MPF + HMF	—	$47
Broker + Delivery	—	$600
Total Duties + Fees		$22,151
Total Landed		$43,751
Effective tariff rate	On FOB value	~119%

Solar panels are an extreme case. Most products with AD orders have 10–60% effective rates.

Major US AD Orders on Chinese Goods (Active 2026)

Product	AD Rate Range	CVD Rate
Steel wire rod	145–806%	Additional
Steel nails	118–186%	—
Aluminum extrusions	32–374%	10–374%
Wooden bedroom furniture	6.65–216%	—
Ceramic tile	0–337%	—
Solar cells/panels	19.5–249%	11–291%
Certain cold-rolled steel	70–209%	Additional
Crystalline silicon PV	Various	Various

How to Check if Your Product Has an AD Order

Go to usitc.gov/trade_remedy — search USITC AD/CVD database by HTS code
Check CBP ADCVD search at cbp.gov — search active orders
Read the scope language carefully — it defines exactly which products are covered
If your product is similar: request a scope ruling from Department of Commerce
Ask your customs broker — experienced brokers know active orders in their specialty areas

Protecting Yourself from AD Risk

Verify manufacturer status before importing — request their company-specific AD rate from USITC
Post the correct deposit rate — underdepositing creates retroactive liability
Monitor annual reviews — AD rates change annually; subscribe to DoC CORE (the AD/CVD monitoring system)
Consider AD exclusions if available for your product
Budget for retroactive assessment — actual rates are set 1–2 years after entry

How to use the anti-dumping duty calculator

Calculator queries that rank well in Google usually do more than output a number. Searchers want to know what the number means, which inputs move it the most, and how to validate it before money is committed. That is the role of this anti-dumping duty calculator — add & cvd from china. It is designed to turn a rough import question into a structured planning exercise by collecting inputs such as FOB Value, Standard HTS Duty Rate, Anti-Dumping Duty (ADD) Rate, and Countervailing Duty (CVD) Rate and converting them into outputs such as FOB Value, Base Duty, Anti-Dumping Duty (ADD), Countervailing Duty (CVD), and Total Duty. For an importer, that is the difference between a vague estimate and a number that can actually be used in sourcing, budgeting, freight planning, or internal margin review.

The best workflow is to start with the facts you can verify today and then rerun the tool as better information arrives. A supplier quotation, an updated incoterm, a revised carton size, or a new customs assumption can all move the answer materially. That is why this tool works best when it is used early and then used again before approval, payment, and shipment. The goal is not to create a perfect forecast on the first pass. The goal is to identify the inputs that matter enough to justify deeper checking with your broker, forwarder, lab, supplier, or finance team.

For this category, the main planning drivers are classification, customs value basis, Section 301 or similar trade actions, anti-dumping exposure, and destination-market VAT or GST. If you only review one part of the calculation, review those items first. They are the assumptions most likely to change the landed cost, compliance burden, lead time, or working-capital requirement enough to affect the final decision. SERP leaders in calculator queries tend to win because they help users understand those drivers instead of leaving them with a black-box result, so this page now does the same.

What to gather before you trust the result

Before relying on any output, gather a precise product description, material composition, invoice value, incoterm, country of origin, freight assumptions, and the tariff code you expect to declare. Those details are what convert a generic calculator into a commercially useful one. If the supplier changes the price basis, if the shipment mode changes, if the product classification shifts, or if the destination market introduces a different rule, the result should change with it. Many thin calculator pages fail in Google because they give the user a number without explaining what inputs deserve attention. This page is meant to close that gap by making the calculation part of a repeatable decision workflow, not a one-click shortcut.

Google SERP patterns for calculator and import-guide queries consistently reward pages that explain manual logic, practical use, and next-step validation. In practice, that means using the result as a planning range instead of a guaranteed final cost. Run a base case using the most likely assumptions, a conservative case using slower clearance or higher fees, and a stress case if the product sits in a sensitive category. That approach is especially useful for importers because one small error in customs, freight, or compliance assumptions can wipe out a margin that looked healthy in a single optimistic scenario.

A useful internal question is simple: if the answer is worse than expected, which input would you negotiate first? Sometimes the answer is unit cost. Sometimes it is packaging, payment terms, route selection, or certification scope. The calculator helps you find that lever sooner. Look up your HS code first. Your HTS/HS code determines your duty rate. Use hts.usitc.gov (US), trade.gov.uk/tariff (UK), or cbsa-asfc.gc.ca (Canada) — not your supplier's guess. When you combine that discipline with supplier documents and published government references, the result becomes much more useful for real purchasing decisions.

How to validate the estimate with official sources

The final step is verification. Planning tools should help you discover what to check next, not tempt you to skip the check. That is why this page pairs the calculator with official references such as USITC HTS, USTR Section 301, and GOV.UK Trade Tariff. Those sources are where you confirm the live rule that applies to your shipment, product, or destination market. They are especially important when tariff treatment, import valuation, documentation, or regulatory scope can change after an update from customs or a regulator.

For this category, the safest workflow is to classify the product first, confirm how the destination market measures duty, add any extra trade measures, and then layer in VAT, GST, or entry fees. If the answer from the calculator and the answer from the official source tell different stories, the official source wins and the model should be updated. That sounds obvious, but many import losses happen because a business keeps using an old spreadsheet or an old rule after the commercial facts have moved. Verifying the current rule before approving production or booking freight is usually far cheaper than fixing a customs, compliance, or margin problem after the shipment is already moving.

The core risk to avoid here is using a supplier guess for the tariff code, ignoring extra trade measures, or treating customs charges like one flat percentage. That risk usually appears late, when leverage is weakest and the cost of correction is highest. Use the result from this page as the first pass, then pressure-test it with supporting documents and government guidance. That mirrors the way high-performing calculator pages on Google support user intent: a fast answer first, followed by explanation, formula context, interpretation, and the path to real-world validation.

Official Sources for Import Duties & Taxes

Use these government sources to confirm the live rule, tariff treatment, valuation basis, or import procedure behind the estimate on this page before you rely on it for a shipment, quotation, or reorder decision.

USITC HTS - Official U.S. tariff schedule and duty lookup.
USTR Section 301 - Official Section 301 tariff actions and exclusions.
GOV.UK Trade Tariff - UK commodity codes, duty, and VAT measures.
ICEGATE Duty Calculator - Official India customs duty calculation portal.

Tips for China Importers

Look up your HS code first. Your HTS/HS code determines your duty rate. Use hts.usitc.gov (US), trade.gov.uk/tariff (UK), or cbsa-asfc.gc.ca (Canada) — not your supplier's guess.
Check for Section 301 exemptions. Some products have granted exclusions at ustr.gov. These can eliminate the additional 7.5–25% tariff entirely. Verify before every order.
First Sale Valuation can lower your duty base. If buying through a trading company, CBP may allow you to declare the factory price (not the middleman price) as the dutiable value — ask your customs broker.
Get a Binding Ruling for anything uncertain. CBP can issue a written classification ruling at no charge through its binding-ruling process. It can help when your product classification is unclear.
Keep import records for 5 years. CBP can audit any entry up to 5 years post-import. Store your commercial invoices, packing lists, and entry summaries.