Tariff Impact Calculator: Margin Erosion, Pass-Through, and Price Increases for 2026
Tariff policy has become a recurring, unpredictable line item on manufacturer income statements rather than a one-time shock to absorb and move past. Duty rates on Chinese-origin components have shifted multiple times since 2018, and 2026 sourcing decisions have to account for the real possibility of another change mid-year, not just today's published rate. This calculator estimates your annual tariff cost exposure by origin, how much of that cost you can realistically pass through to customers without losing volume, and the resulting margin erosion if you hold price. Use it to answer the question finance actually asks: what does this tariff do to gross margin, not just to unit cost, and how much of a price increase closes the gap.
Your numbers
Your results
Get your tariff exposure model
A SKU-level tariff exposure and margin erosion model for your top imported product lines plus a 30-minute review with a Netray manufacturing architect on sourcing options.
No spam. Your results stay private. Unsubscribe anytime.
Duty Rate Is Not the Whole Tariff Cost
The published duty rate on an HTS code is the starting point, not the full cost impact, because tariffs also increase the base for calculating brokerage fees, harbor maintenance fees, and in some cases state use tax assessed on landed cost including duty. Companies that model tariff exposure using only the headline duty percentage against declared value typically underestimate total cost impact by 3% to 6% once these secondary fees are included. This calculator uses your total imported COGS as the base, which should already reflect landed cost, to keep the estimate grounded in what actually hits your books.
- Duty rate: the published tariff percentage on the HTS classification
- Secondary fees: brokerage and harbor fees scale with declared value
- Landed cost: the true base tariff cost should be calculated against
Pass-Through Rate Depends on Competitive Position, Not Just Cost
How much of a tariff cost increase you can pass through to customers depends far more on whether competitors face the same tariff exposure than on your own cost structure. If an entire category sources from tariff-exposed regions, pass-through rates of 70% to 90% are achievable because customers have nowhere cheaper to go. If competitors have already diversified to tariff-exempt origins, pass-through above 30% to 40% typically triggers volume loss, and absorbing margin becomes the less bad option short-term while a sourcing shift is underway. Segment this analysis by product line rather than applying one company-wide assumption.
The Dual Sourcing Hedge
The most durable response to tariff volatility is not a single price adjustment but a dual or triple sourcing strategy that reduces exposure to any single origin's duty rate. Manufacturers that qualified a second source in Mexico or Vietnam alongside a primary China supplier during the 2018 to 2020 tariff cycle were far better positioned for subsequent rate changes than those who waited for a specific announcement to act, because supplier qualification and quality validation take 6 to 12 months regardless of urgency. Run this calculator's origin scenarios against your current and a hypothetical alternate source before committing to a resourcing timeline.
When Margin Erosion Justifies a Nearshoring Decision
A tariff-driven margin erosion of more than 3 to 5 percentage points on a product line, sustained rather than one-time, is generally the threshold where a nearshoring or resourcing evaluation becomes worth the qualification cost and lead time risk, assuming the tariff is not expected to reverse within 12 to 18 months. Below that threshold, absorbing margin or a modest price increase is usually cheaper than the qualification cost and disruption of switching suppliers. Compare this calculator's output against the nearshoring cost comparison calculator before recommending a sourcing change to leadership.
Frequently Asked Questions
How often should tariff exposure be recalculated in 2026?
At minimum quarterly, and immediately after any USTR or Section 301 announcement affecting your sourcing origins. Tariff policy in 2026 has continued the pattern of prior years, periodic rate changes and exclusion list updates, and a static annual review misses windows where a pricing or sourcing response would have protected margin.
Should pass-through pricing be applied uniformly across a product line?
No. Pass-through capacity varies by SKU based on competitive intensity, customer contract terms, and whether a tariff-exempt substitute exists in the market. Apply pass-through analysis at the SKU or product family level and expect meaningfully different rates even within one product line.
Does this calculator account for tariff exclusions or drawback programs?
No, it models gross duty rate as entered. If you qualify for a tariff exclusion, USMCA preference, or duty drawback program, use your effective post-exclusion duty rate as the origin input rather than the published headline rate, since the effective rate is what actually hits cost.
What duty rate should I use for a supplier I am not yet sourcing from?
Use the current published rate for the HTS classification and country of origin you are evaluating, available from the USTR and CBP HTS lookup, and treat it as a snapshot, not a forecast. Tariff volatility means any resourcing decision should be stress-tested against at least one higher and one lower rate scenario.
Get a sourcing risk review across your top tariff-exposed SKUs and a recommendation on price versus resourcing response.
Related Tools
Nearshoring Cost Comparison Calculator
Compare the fully loaded landed cost per unit across sourcing regions, including freight, duty, lead-time-driven inventory carrying cost, and quality rework.
ERP OperationsSupplier Onboarding Cost Calculator
See the fully loaded labor cost of onboarding a new supplier across qualification, quality documentation, and compliance review, and how much automation recovers at your volume.
Discrete ManufacturingSupply Chain Visibility Assessment
Score your organization's visibility across tier-1 and sub-tier suppliers, inventory, demand signals, and disruption alerting in about five minutes.
Go Deeper
AI-Driven Defense Supply Chain Visibility
AI-driven defense supply chain visibility: track DPAS-rated orders, predict supplier delays, and meet DFARS flow-downs with AI agents tied to your ERP data.
ERP Implementation Cost Overruns: Prevention Strategies
Prevent ERP implementation cost overruns. Data-driven strategies for scope control, realistic budgeting, risk mitigation, and change management.
The CFO Guide to AI ROI in Manufacturing
A practical CFO guide to AI ROI in manufacturing: payback benchmarks, cost models, and how to separate real returns from vendor hype before you sign.