TariffWire

HS chapter 90 tariff rates

Optical, medical and measuring instruments: 101 product categories with real US schedule data.

Chapter 90 at a glance

  • Product categories with schedule data: 101
  • Tariff lines across those categories: 344
  • Most common base rates: Free on 66, 1.7% on 5, 2% on 4, 2.5% on 4, 3.9% on 3

Nearby chapters: Chapter 89 - Chapter 91

All codes in chapter 90

CodeBase rateGoods
9001106.7%Optical fibers, optical fiber bundles and cables
900120FreeSheets and plates of polarizing material
9001302%Contact lenses
9001402%Spectacle lenses of glass
9001502%Spectacle lenses of other materials
900190FreeOther:
9002112.45%For cameras, projectors or photographic enlargers or reducers:
900219FreeOther
900220FreeFilters and parts and accessories thereof:
900290FreeOther:
9003112.5%Of plastics
900319FreeOf other materials
9003902.5%Parts
9004102%Sunglasses
9004902.5%Other
900510FreeBinoculars
9005808%Other instruments:
900590The rate applicable to the article of which it is a part or accessoryParts and accessories (including mountings):
900710FreeCameras
900720FreeProjectors:
900791FreeFor cameras:
9007923.5%For projectors
900850FreeProjectors, enlargers and reducers:
900890FreeParts and accessories:
9010102.4%Apparatus and equipment for automatically developing photographic (including cinematograph...
901050FreeOther apparatus and equipment for photographic (including cinematographic) laboratories; n...
901060FreeProjection screens
901090FreeParts and accessories:
901110FreeStereoscopic microscopes:
9011203.9%Other microscopes, for photomicrography, cinemicrography or microprojection:
901180FreeOther microscopes
901190FreeParts and accessories
901210FreeMicroscopes other than optical microscopes; diffraction apparatus
901290FreeParts and accessories
90131014.9%Telescopic sights for fitting to arms; periscopes; telescopes designed to form parts of ma...
901320FreeLasers, other than laser diodes
9013806.6%Other devices, appliances and instruments:
90139016%Parts and accessories:
901410FreeDirection finding compasses:
901420FreeInstruments and appliances for aeronautical or space navigation (other than compasses):
901480FreeOther instruments and appliances:
901490FreeParts and accessories:
9016003.9%Balances of a sensitivity of 5 cg or better, with or without weights; parts and accessorie...
901710FreeDrafting tables and machines, whether or not automatic:
9017203.9%Other drawing, marking-out or mathematical calculating instruments:
9017305.8%Micrometers, calipers and gauges:
9017805.3%Other instruments
901790The rate applicable to the article of which it is a part or accessoryParts and accessories
901910FreeMechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus; p...
901920FreeOzone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeuti...
9020002.5%Other breathing appliances and gas masks, excluding protective masks having neither mechan...
902212FreeComputed tomography apparatus
902213FreeOther, for dental uses
902214FreeOther, for medical, surgical or veterinary uses
902219FreeFor other uses
902221FreeFor medical, surgical, dental or veterinary uses
902229FreeFor other uses:
902230FreeX-ray tubes
9022900.8%Other, including parts and accessories:
902300FreeInstruments, apparatus and models, designed for demonstrational purposes (for example, in...
902410FreeMachines and appliances for testing metals
902480FreeOther machines and appliances
902490FreeParts and accessories
902511FreeLiquid-filled, for direct reading:
902519FreeOther:
9025801%Other instruments:
902590FreeParts and accessories
902610FreeFor measuring or checking the flow or level of liquids:
902620FreeFor measuring or checking pressure:
902680FreeOther instruments and apparatus:
902690FreeParts and accessories:
90281016¢ each + 2.5%Gas meters
90282016¢ each + 2.5%Liquid meters
902830FreeElectricity meters
902890FreeParts and accessories
9029105.3%Revolution counters, production counters, taximeters, odometers, pedometers and the like:
9029206%Speedometers and tachometers; stroboscopes:
9029905.3%Parts and accessories:
903010FreeInstruments and apparatus for measuring or detecting ionizing radiations
903020FreeOscilloscopes and oscillographs:
903031FreeMultimeters, without a recording device
903032FreeMultimeters, with a recording device
9030331.7%Other, without a recording device:
903039FreeOther, with a recording device
903040FreeOther instruments and apparatus, specially designed for telecommunications (for example, c...
903082FreeFor measuring or checking semiconductor wafers or devices (including integrated circuits)
903084FreeOther, with a recording device
903089FreeOther
903090FreeParts and accessories:
903110FreeMachines for balancing mechanical parts
9031201.7%Test benches
903141FreeFor inspecting semiconductor wafers or devices (including integrated circuits) or for insp...
903149FreeOther:
903180FreeOther instruments, appliances and machines:
903190FreeParts and accessories:
9032101.7%Thermostats
903220FreeManostats
903281FreeHydraulic and pneumatic
9032891.7%Other:
9032901.7%Parts and accessories:
903300FreeParts and accessories (not specified or included elsewhere in this chapter) for machines,...

Chapter 90 questions

What does HS chapter 90 cover?

Chapter 90 covers Optical, medical and measuring instruments. This page lists the 101 six-digit product categories in it that have real lines in the US tariff schedule, each with its base rate and a link to the full detail page.

Where do these rates come from?

The base rates come from the structured US tariff schedule, read through the Tariff Wire HS lookup. Recent actions come from published Federal Register notices from the last 30 days.

Can I use this page to classify my goods?

No. These pages cover six-digit product categories. The exact 8 or 10 digit classification of your goods, and what you owe on a specific entry, is work for you and your licensed customs broker.

Check the live rate for any code

Schedules change. Run a code through the free lookup to see the current base rate and any recent trade actions.

Free HS lookup

General trade information, not customs brokerage or legal advice. Last updated 2026-09-28 from the structured US tariff schedule. Rates change; confirm with your broker before you act.