Tariff Tools
Free, open tools to understand how tariffs affect you, your state, and the economy. All powered by public data.
Household Calculator
Estimate your annual tariff cost based on income or spending. See your personal "tariff receipt" and share it.
HTS Code Lookup
Search all 99 chapters of the Harmonized Tariff Schedule. Find tariff rates by product or chapter number.
Rate Comparison
Compare tariff rates: US vs other countries, or 2024 vs 2025 vs 2026. See how rates have changed.
Before & After Shopping Cart
Build a shopping list and see how much tariffs add to each item. Receipt-style breakdown with share button.
Data Downloads
Download all our data as JSON files. State impact data, tariff history, HTS chapters, and more.
State Impact Map
See tariff impact by state: exports at risk, jobs threatened, and household costs for all 50 states.
Tariff History Timeline
Interactive chart of US tariff rates from 1789 to present with detailed era analysis.