Description
Divide specificCharge × quantity by positive declaredValue for rateContribution.
A specific duty is an amount per unit, while an ad valorem rate is a fraction of a valuation base. Quotas and input-output adjustments introduce additional supplied assumptions.
Divide specificCharge × quantity by positive declaredValue for rateContribution.
When to use this tool
Use Tariff Advalorem Equivalent Term when you need a tariff or quota-model arithmetic component.
How to use the tool and how it works
- Enter specificCharge, quantity, declaredValue, chargeCurrency, valueCurrency, quantityUnit, chargePerUnit. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read rateContribution. Use the output convention below.
Require identical nonempty currency labels and matching quantity-unit labels. Divide specificCharge × quantity by positive declaredValue for rateContribution.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| specificCharge | Specific Charge | Required. Finite number; minimum 0. |
| quantity | Quantity | Required. Finite number; minimum 0. |
| declaredValue | Declared Value | Required. Finite number; strictly above 0. |
| chargeCurrency | Charge Currency | Required. Text; maximum UTF-16 length 8192. |
| valueCurrency | Value Currency | Required. Text; maximum UTF-16 length 8192. |
| quantityUnit | Quantity Unit | Required. Text; maximum UTF-16 length 8192. |
| chargePerUnit | Charge Per Unit | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| rateContribution | Rate Contribution | Required. Finite number. |
{
"input": {
"specificCharge": 2,
"quantity": 10,
"declaredValue": 100,
"chargeCurrency": "USD",
"valueCurrency": "USD",
"quantityUnit": "kg",
"chargePerUnit": "kg"
},
"output": {
"rateContribution": 0.2
}
}Limitations and assumptions
- Label equality is only a consistency check; the factor is fractional and no currency conversion, valuation approval, or tariff law is supplied.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Verify classification, origin, valuation, quota allocation, and current law with the responsible customs professional.
References
Similar or alternative tools
- Tariff Rate Quota Two Tier Cost Term
Use the smaller of quantity and quotaRemaining as inQuotaQuantity and the positive excess as outQuotaQuantity.
- Import Tariff Specificunit Exchange Factor
Multiply specificForeignDuty by positive domesticPerForeign and divide by unitsPerCustomsUnit for domesticDutyPerUnit.