---
title: "How Do I Estimate Customs Duties?"
description: "Guide to estimating US customs duties: look up the HTS code in the USITC search or Flexport's duty calculator, multiply duty rate by invoice value, and check AD/CVD and Section 301 duties."
language: en
canonical: https://www.flexport.com/help/customs-duties-estimate/
lifecycle: live
author:
  - "Flexport Editorial"
publishedAt: 2018-08-27T15:05:19.961Z
dateModified: 2026-07-31T03:22:14Z
readingTimeMinutes: 1
topics:
  - "Simplify Customs"
  - "Save Money on Intl Freight"
  - "North America"
  - "Customs"
  - "Trade Advisory"
  - "Classification"
---

# How Do I Estimate Customs Duties?

Import customs duties are not included in your Flexport quote, but you can estimate them using the [HTS Code](https://www.flexport.com/help/how-to-find-hts-code/) of your product:

1. Enter your HTS Code in the [HTS Search bar](https://hts.usitc.gov/):

![USITC Harmonized Tariff Schedule HTS Search landing page with a centered search box for 2017 HTSA Revision 1 Edition](https://cdn.sanity.io/images/ynj1yl20/development/7bb35cffc599ba0737d5417aab43b3ad01f8d27f-2880x1392.gif)

You can also use Flexport's [duty rate calculator](https://www.flexport.com/data/hs-code/01-live-animals/) to look up your product's duty rate without the HTS code. 

![Flexport duty calculator showing HS 3910.00.00.00 with 3% duty, special duty free countries and a Get Started button](https://cdn.sanity.io/images/ynj1yl20/development/6bff5fcf61b74ffdb190e2c9aec30ba095316ec4-2116x698.png)

2. Multiply the duty rate by the total value of your imported products ([found on the commercial invoice](https://www.flexport.com/help/commercial-invoice-packing-list/)) for an **estimation** of what you will need to pay in customs duties.  

![HTS schedule row for 6302.53.00 man-made fibers with the Rates of Duty columns highlighted, showing 11.3% general and free special rates](https://cdn.sanity.io/images/ynj1yl20/development/03eccfaa444b2a0767f7f58db0ef676510a1c86a-1511x189.png)

[Anti-dumping or countervailing duties](https://www.flexport.com/help/anti-dumping-countervailing-duties/) may also apply.

If the items you are importing have a [country of origin](https://www.flexport.com/glossary/country-of-origin/) of China, then Section 301 duties may also apply. You can search HTS codes [here](https://www.tuttlelaw.com/newsletter_links/5-31-23_exclusions_list.xlsx) to see if they have additional Section 301 Duties.

---

*This is a markdown version of [https://www.flexport.com/help/customs-duties-estimate/](https://www.flexport.com/help/customs-duties-estimate/) for AI/LLM consumption.*