# ChinaTariffCalculator.com — 2026 U.S. Customs (CBP) & HTS Landed Cost Engine

> Independent financial modeling, U.S. Customs Form 7501 landed cost simulator, forwarder DDP under-valuation auditor, and multi-SKU container manifest calculator for commercial freight (FOB ocean/air) and small parcels (<$2,500 DHL/UPS/FedEx/Postal) imported from China into the United States.

## Core 2026 U.S. Tariff Stacking Formula (19 U.S.C. 1401a FOB Valuation)
- **Total Customs Duty Rate (%)** = `Column 1 Base MFN Rate` + `USTR Section 301 Rate (0% List 4B / 7.5% List 4A / 25% List 1-3 / 50%-100% Strategic)` + `2025-2026 IEEPA China Surcharge (20%)` + `Section 232 Steel/Aluminum/Auto Tariff (0% or 25%)` + `Specific/Compound Duty ($/kg or $/unit)` + `DOC AD/CVD Cash Deposit (if Entry Type 03)`.
- **FY2026 CBP Merchandise Processing Fee (MPF)** (19 CFR 24.23):
  - Formal Entry (`>$2,500 FOB`): `0.3464%` of FOB value (Minimum `$34.58`, Maximum `$670.86`).
  - Informal Automated Entry (`<=$2,500 FOB`): Flat `$2.77`.
- **Harbor Maintenance Fee (HMF)**: `0.125%` of FOB value (Ocean port arrivals only; `0%` on Air Cargo).
- **Express Courier Disbursement / Advancement Fees**:
  - DHL Express US: `max($17.00, 2.0% of CBP duties)` (+ `$5/line` over 5 HTS lines)
  - UPS US: `max($14.00, 2.0% of CBP duties)` (+ `$5/line` over 3 HTS lines)
  - FedEx US: `max($14.00, 2.0% of CBP duties)` (+ `$4.50/line` over 3 HTS lines)
  - USPS / International Postal: `$8.85` Inbound Clearance Fee
- **Forwarder DDP Statutory Floor Formula**:
  - `Statutory DDP Floor = Declared FOB + Total Stacked Customs Duty + CBP MPF + Ocean HMF + $120 Min Logistics`. Any all-in DDP quote below this floor indicates probable commercial invoice under-valuation or HTS misclassification risk under 19 U.S.C. 1592.

## Public HTS Lookup API & Embeddable Widget
- **JSON HTS Endpoint**: `GET https://chinatariffcalculator.com/api/hts?keyword={query}` — returns USITC 10-digit HTS subheadings enriched with Base MFN, Section 301 list/rate, Section 232 applicability, specific compound duties, and DOC AD/CVD scope warnings.
- **Embeddable Partner Widget**: Append `?embed=1&compact=1` to any calculator URL to embed an ad-free, responsive CBP Form 7501 calculator iframe.
- **Full Dataset for AI Agents**: [llms-full.txt](https://chinatariffcalculator.com/llms-full.txt)

## All 19 Calculators, Commodity Schedules & Compliance Guides
- [China Import Tariff Calculator (Main Workbench)](https://chinatariffcalculator.com/): Full dual-mode commercial & small-parcel CBP Form 7501 simulator, FBA margin tool, Vietnam/Mexico nearshoring comparator & multi-SKU container manifest.
- [Section 301 Tariff Lookup Tool](https://chinatariffcalculator.com/section-301-tariff-lookup/): Search Chapter 99 subheadings (9903.88.01, 9903.88.02, 9903.88.03, 9903.88.15, 9903.91).
- [De Minimis $800 Rule Calculator](https://chinatariffcalculator.com/de-minimis-800-rule-calculator/): Post-Section 321 suspension duty & informal entry fee analyzer.
- [UPS, DHL & FedEx Customs Fee Calculator](https://chinatariffcalculator.com/ups-dhl-fedex-customs-fee-calculator/): Express carrier brokerage, disbursement, and multi-line HTS surcharge decoder.
- [Alibaba & AliExpress Import Tax Calculator](https://chinatariffcalculator.com/aliexpress-alibaba-import-tax-calculator/): 1688 RMB/USD converter & forwarder DDP quote under-valuation detector.
- [Electronics Import Duty from China (HTS 85 & 84)](https://chinatariffcalculator.com/electronics-import-duty-from-china/): Bluetooth earbuds (8518.30.20), bare PCBs (8534.00.00), GaN chargers (8504.40.95), LEDs.
- [CNC & Industrial Machinery Import Duty (HTS 84)](https://chinatariffcalculator.com/machinery-cnc-import-duty-from-china/): CNC lathes (8458.11.00), industrial cobots (8479.50.00), 3D printers (8485.20.00), injection molders (8477.10.90).
- [Steel & Aluminum Import Duty from China (Sec 232)](https://chinatariffcalculator.com/steel-aluminum-import-duty-from-china/): Aluminum extrusions (7604.21.00), steel fasteners (7318.15.80), coils (7208.39.00), melt-and-pour & AD/CVD scope radar.
- [Auto Parts Import Duty from China (HTS 8708)](https://chinatariffcalculator.com/auto-parts-import-duty-from-china/): Brake rotors (8708.30.50), alloy wheels (8708.70.45), bumpers + 4-layer Section 232 & 301 stacking.
- [US Tariff on Chinese Solar Panels & Lithium Batteries](https://chinatariffcalculator.com/solar-battery-import-duty-from-china/): Solar PV modules (8541.43.00, 50% Sec 301) & Li-ion/LiFePO4 batteries (8507.60.00, 25% Sec 301).
- [Plastics, Kitchenware & Packaging Import Duty (HTS 39 & 48)](https://chinatariffcalculator.com/plastics-kitchenware-packaging-import-duty/): Silicone/plastic kitchenware (3924.10.40, 30.9%), molded parts (3926.90.99, 50.3%), bottles & corrugated boxes (4819.10.00).
- [Medical Devices & PPE Import Duty (HTS 9018 & 4015)](https://chinatariffcalculator.com/medical-devices-ppe-import-duty-from-china/): Nitrile exam gloves (4015.12.10, 50% Sec 301), syringes (9018.31.00, 100% Sec 301), surgical/N95 masks (6307.90.98).
- [Clothing & Apparel Import Duty from China (HTS 61 & 62)](https://chinatariffcalculator.com/clothing-import-duty-from-china/): Cotton knit t-shirts (6109.10.00, 44%) vs. polyester garments (6109.90.10, 59.5%) & wool compound duties.
- [Shoes & Footwear Import Duty from China (HTS 64)](https://chinatariffcalculator.com/shoes-import-duty-from-china/): Rubber/plastic sneakers (6402.99.31, 33.5%), leather shoes (6403.99.60), canvas shoes (6404.11.90).
- [Bags, Backpacks & Luggage Import Duty (HTS 4202)](https://chinatariffcalculator.com/bags-import-duty-from-china/): Nylon backpacks (4202.92.31, 62.6%), ABS suitcases (4202.12.21, 65%), leather handbags (4202.21.90).
- [Furniture Import Duty from China (HTS 9401 & 9403)](https://chinatariffcalculator.com/furniture-import-duty-from-china/): Wooden & metal furniture (45% stacked) + wooden bedroom AD/CVD radar & CBM estimator.
- [Toys & Games Import Duty from China (HTS 9503)](https://chinatariffcalculator.com/toys-import-duty-from-china/): Children's toys (9503.00.00, 20% IEEPA only) vs. pet chew toys (4016.99.20, 49.3%).
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