Wyoming sales tax calculator
Calculate Wyoming sales tax instantly and accurately. Whether you're creating invoices, setting prices, or checking expenses, get the exact tax amount you need – no spreadsheets or manual math required.
- Calculate exact sales tax for any transaction amount
- Eliminate manual calculation errors
- Free to use with no sign-up required
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Wyoming sales tax rates
Wyoming maintains one of the simpler sales tax structures in the United States. Here are the current rates you need to know:
- State Sales Tax Rate: 4.00%
- Average Local Tax Rate: 1.56%
- Maximum Local Tax Rate: 3.00%
- Average Combined Rate: 5.56%
Important note:
Local rates vary by county and municipality within Wyoming.

How to register for sales tax in Wyoming
Register through the Wyoming Internet Filing System (WYIFS). There is no fee to register. Wyoming Internet Filing System (WYIFS).
Check requirements
Register if you have physical presence or economic nexus (>$100k sales or 200+ transactions).
Register online
Complete the free online application through the Wyoming Internet Filing System (WYIFS).
Display permit
Once approved, display your sales tax permit at your business location and begin collecting tax.
Wyoming sales tax filing due dates
Wyoming assigns filing frequency based on your sales volume. Most businesses file either monthly or quarterly.
- Monthly filers: Due the last day of the following month.
- Quarterly filers: Due April 30, July 31, October 31, and January 31.
- Annual filers: Due January 31.
Important note:
The Wyoming Department of Revenue assigns your filing frequency when you register.

Simplify Wyoming sales tax with Xero
Simplify your Wyoming sales tax. Xero automatically calculates the correct, up-to-date rates for any WY location, making tax time easier. Stay compliant with confidence, reduce manual work, and get accurate reports for filing. Stop worrying about complex rules and focus on growing your business.
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FAQs about Wyoming sales tax
Wyoming exempts groceries, prescription medications, and manufacturing equipment from sales tax. Agricultural supplies and equipment used directly in farming or ranching operations also qualify for exemption.
Wyoming exempts groceries, prescription medications, and manufacturing equipment from sales tax. Agricultural supplies and equipment used directly in farming or ranching operations also qualify for exemption.
Yes, if you meet economic nexus thresholds: $100,000 in Wyoming sales or 200 separate transactions annually. Remote sellers must register and collect tax at the delivery address rate.
Yes, if you meet economic nexus thresholds: $100,000 in Wyoming sales or 200 separate transactions annually. Remote sellers must register and collect tax at the delivery address rate.
Wyoming assigns filing frequency based on your expected tax liability. New businesses typically start quarterly, then may move to monthly if sales increase. Check your registration confirmation or log into WYIFS to verify.
Wyoming assigns filing frequency based on your expected tax liability. New businesses typically start quarterly, then may move to monthly if sales increase. Check your registration confirmation or log into WYIFS to verify.
Wyoming charges 10% of unpaid tax plus 1% monthly interest. Additional penalties may apply for continued non-compliance or failure to file returns.
Wyoming charges 10% of unpaid tax plus 1% monthly interest. Additional penalties may apply for continued non-compliance or failure to file returns.
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Disclaimer
Xero does not provide accounting, tax, business or legal advice. This calculator has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business.