Tax & Payroll
Economic Nexus Threshold Checker (Wayfair)
Check whether your remote sales into a state cross its economic nexus threshold for sales tax.
Preparing your result…
What this calculator does
Checks remote-seller economic nexus.
What your result means
Whether a user-entered state threshold is crossed.
Formula
Nexus if sales ≥ sales threshold, or (if the state uses one) transactions ≥ transaction threshold
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- S
- Sales into the state
- • User enters the state's threshold.
Sources and review
Reviewed 2026-09-23 · Next review 2027-01-15
- • State measurement rules vary.
- • Rules change annually.
- • Educational estimate, not tax advice.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Report a mistake or request an improvement
Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.
Related calculators
California Income Tax Calculator (Form 540, 2025)
Estimate California personal income tax with the FTB rate schedules and the 1% Mental Health Services Tax.
California SDI Withholding Calculator (2026)
Work out State Disability Insurance withheld from California wages — no wage ceiling since 2024.
Florida Reemployment Assistance Tax Calculator
Estimate Florida reemployment (unemployment) tax on the first $7,000 of each employee's wages.
Massachusetts 4% Surtax (Millionaires Tax) Calculator (2026)
Estimate Massachusetts income tax including the 4% surtax above the 2026 threshold.
Multi-State Resident Tax Credit Calculator
Estimate your home-state credit for income tax paid to another state on the same income.
New York City Resident Income Tax Calculator (2025)
Estimate NYC resident personal income tax using the official 3.078%–3.876% rate schedule.