Calculate import cost with a source trail attached.
Search HS codes, model landed cost, and hand your broker a packet they can actually review. Free to start, with official-source metadata kept beside the estimate.
Or go directly to Calculator Docs
Planning estimates only. Final classification, duty, valuation, trade-remedy, and filing decisions still require official sources and qualified review. Free signed-in trial: 3 scenarios, 5 SKUs, and 25 source snapshots.
Free
Landed-cost calculator with share link, CSV, and broker packet export
Pro beta
Saved scenarios, source snapshots, broker links, and change alerts
China → US
Official-source research checklist for the first high-intent lane
See it work
Try a modeled shipment before opening the full calculator
Pick a sample to see how base duty, user-entered additional tariffs, logistics, and landed cost fit together. Every sample is deliberately labeled as modeled so it does not masquerade as filing advice.
Samples are for product walkthrough only. Replace the fields with your shipment data and verify rates with official sources or a licensed broker.
Modeled sample
Cotton T-shirt from China
Dutiable value
$10,900
Base duty
$1,799
16.5%
Additional tariff
$3,815
35%
Effective duty rate
51.5%
Why a workspace
A number is useful. A number with sources is reviewable.
TariffsChart is designed for the step after a quick estimate: preserving the source URL, retrieval date, assumptions, and review status behind the number.
| Capability | TariffsChart | Spreadsheet | Official sites |
|---|---|---|---|
| Free calculator, no signup | ✓ | Manual | — |
| HS / HTS lookup handoff | ✓ | Manual | ✓ |
| Source URL and retrieval date beside estimates | ✓ | Easy to lose | Manual |
| Saved scenarios with review status | ✓ | Manual | — |
| Broker review packet export | ✓ | Manual | — |
| Source change monitoring prompts | Pro beta | — | — |
Comparison describes TariffsChart's workflow focus. It is not a claim to replace official databases, licensed customs brokers, or full brokerage services.
Who it helps
Two ways import teams use TariffsChart
Start with a fast planning estimate, then preserve the evidence needed for review.
For Amazon / Shopify sellers
Will the landed cost still leave margin?
Run a quick estimate before you place a purchase order. Compare goods value, freight, additional duties, and target margin in a shareable calculator.
Start with the free calculatorFor compliance and ops teams
Give the broker a packet they can review.
Save assumptions per SKU, attach source snapshots, and route a private review link without pretending a planning estimate is an official ruling.
See Pro betaOne workspace for the assumptions behind every tariff estimate
Use the free calculator for fast estimates. Sign in to preserve scenarios, SKU context, source snapshots, monitor official-source fingerprints, and route the packet to a broker or internal reviewer.
Calculate the cost stack
Model goods value, freight, insurance, base duty, additional tariff, import tax, fixed fees, and target margin.
Capture source evidence
Store official or broker sources with route, HS/HTS code, retrieval date, confidence label, and notes.
Share a broker link
Generate a private review page where a broker or internal reviewer can confirm or request more information.
Monitor for changes
Create source monitors that compare fingerprints and surface change alerts for Pro beta and Team pilot users.
What is live for Cloudflare + Supabase launch
A practical beta feature set for search traffic, free calculator usage, and manually invited Pro pilots.
Landed-cost calculator
FOB/EXW or CIF basis, customs value, freight, insurance, duties, VAT/GST/import tax, fixed fees, and suggested price.
Saved scenarios
Save, duplicate, archive, and reopen shipment assumptions with status: draft, broker-review, confirmed, or archived.
Source snapshots
Preserve official/broker URLs, capture dates, route, HS code, confidence label, and notes.
Official-source research
For China → US, generate USITC/CROSS/Section 301/USTR/AD-CVD/IEEPA checklist drafts without pretending to decide the outcome.
Broker review links
Share private review pages and collect confirmed or needs-info feedback without requiring reviewer login.
Change alerts
Cloudflare scheduled checks compare official-source fingerprints and create review prompts for Pro beta / Team pilot.
A safer path from estimate to review
TariffsChart is designed to make uncertainty visible and keep every assumption traceable.
Estimate
Model landed cost and target price from route, valuation, duties, taxes, fees, and margin.
Research
Generate official-source checklist drafts and identify missing review questions.
Save
Store scenarios, SKU records, source snapshots, and calculation snapshots in Supabase.
Review & monitor
Share broker links and let Cloudflare cron checks prompt future source review.
Frequently asked questions
What to know before using TariffsChart for shipment planning.
Estimate your next shipment before it ships
Start with HS / HTS lookup, move into the calculator, then save the scenario or continue in the workspace.