How to Calculate U.S. Import Tariffs
Step-by-step guide to tariff rates, exemptions, and official resources.
The Two Things That Determine Your Tariff
1
HTS Code
What you're importing — determines base rate and which tariffs apply
2
Country of Origin
Where it was made — affects reciprocal rates and special tariffs
Quick Formula
Duty =Base+Reciprocal+IEEPA+§301+§232
Fees =MPF 0.3464%+HMF 0.125%
Step-by-Step Guide
|
Find the Harmonized Tariff Schedule code for your product and note the base duty rate.
Example: Semiconductor chips → 8542.31.00, Base rate: 0%
- Search by product description or keyword
- Write down the full HTS code (usually 8-10 digits)
- Note the "General" rate of duty column which is the "base rate"
See It In Action
Real examples showing how tariffs stack up by product and country.
Product
Integrated Circuit Chips
8542.31.00.15
Origin
China
CN
Value
$50,000
| Type | Rate | Amount | |
|---|---|---|---|
| Base Rate | 0% | $0 | |
| Reciprocal | 0% | $0 | |
| IEEPA | 10% | $5,000 | |
| Section 301 | 50% | $25,000 | |
| Section 232 | 0% | $0 | |
| MPF | 0.3464% | $173.20 | |
| HMF | 0.125% | $62.50 | |
| Total Duty + Fees | 60.47% | $30,235.70 |
Tariff Trackers
Useful Resources
Essential
Section 301
USMCA
Educational only. Verify rates with CBP and USTR before making business decisions. Consider a licensed customs broker for complex imports.
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