Which states require you to collect sales tax? Enter sales data and find out instantly
Economic nexus thresholds are simplified for general guidance. Some states have additional nuances (click-through nexus, marketplace nexus, safe harbors). Consult a tax professional for compliance.
About this tool
Enter your sales volume, see which states require you to collect sales tax. All 50 states, free.
What Is the US Economic Nexus?
The US Economic Nexus is a free browser-based tool that helps you calculate economic nexus checker accurately for tax year 2026. Unlike paid tax software that requires subscriptions and uploads your financial data to cloud servers, this calculator processes everything locally in your browser using JavaScript — your income figures, filing status, and deduction details never leave your device. The tool uses current IRS tax brackets, standard deduction amounts, and sales tax nexus rules updated for 2026, ensuring results match what you would actually owe. It handles edge cases like Wayfair nexus scenarios and provides a detailed breakdown of how each calculation is derived.
Who Should Use This Tool?
This tool is designed for taxpayers who need quick, accurate economic nexus checker estimates without the overhead of full tax preparation software. Self-employed individuals and freelancers use it to calculate quarterly estimated payments and avoid underpayment penalties. Small business owners rely on it for sales tax nexus planning and cash flow projections. Financial advisors use it as a client education tool to show the tax impact of different scenarios. Students and first-time filers benefit from the clear breakdown format that explains each line item. Anyone comparing Wayfair nexus options can run multiple scenarios side by side in seconds.
How to Use the US Economic Nexus
Enter your relevant financial details into the input fields — the tool automatically calculates results as you type, with no submit button needed. For economic nexus checker calculations, input your income, filing status, and any applicable deductions or credits. The results panel shows a line-by-line breakdown including sales tax nexus amounts, effective rate, and total liability. Use the comparison mode to evaluate different scenarios side by side. All calculations use 2026 IRS rates and contribution limits. Your data stays in your browser memory — close the tab and everything is erased. Export results as a screenshot or copy the breakdown for your records.
Frequently asked
What is economic nexus and what are the thresholds?
Economic nexus requires out-of-state sellers to collect sales tax once they exceed a state's threshold—typically $100,000 in annual sales or 200 separate transactions (the South Dakota v. Wayfair standard). Enter your revenue per state to instantly see where you have crossed the line and owe tax.
Does it check all 50 states and DC?
Yes. It evaluates nexus thresholds for all 50 states plus Washington DC, including states with no sales tax (Delaware, Montana, New Hampshire, Oregon, Alaska). Results update in real time as you enter figures, flagging each state where you have an active collection obligation.
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