Missouri sales tax calculator
Get accurate Missouri sales tax calculations in seconds. Whether you're creating invoices, checking expenses, or planning pricing strategies, our free calculator gives you the exact tax figures you need – no downloads or sign-ups required.
- Calculate exact sales tax for any Missouri transaction instantly
- Determine the right tax to add to your invoices
- Free to use with no registration required
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Missouri sales tax rates
Missouri's sales tax varies by location, as local jurisdictions like cities and counties add their own rates on top of the 4.23% statewide tax.
- State Sales Tax Rate: 4.23%
- Average Local Tax Rate: 4.19%
- Maximum Local Tax Rate: 5.88%
- Average Combined Rate: 8.41%
Important note:
The state rate is 4.23%, but local rates vary, so your total rate depends on your location.
How to register for sales tax in Missouri
Follow these steps to register your business through the Missouri MyTax Portal. The process is free and typically takes 2-3 business days. Missouri Department of Revenue Business Registration.
Gather your required information
You will need business details and your FEIN, if your business structure requires one from the IRS.
Register through the MyTax Portal
Visit the Missouri MyTax Portal and complete the online application. Be sure to select 'Sales Tax' as your tax type.
Submit and await confirmation
Submit your application and save the confirmation number. Registration should be processed within 2-3 business days.
Missouri sales tax filing due dates
Stay on top of your filing obligations with these standard schedules:
- Monthly: Last day of the following month (e.g., January sales due February 28/29)
- Quarterly: January 31, April 30, July 31, October 31
- Annually: January 31 of the following year
- Quarter-monthly: 10th, 15th, 20th, and 25th of each month
Note:
Your filing frequency is assigned by the Missouri Department of Revenue based on your sales volume.
Simplify Missouri sales tax with Xero
Calculating the right rate is just the first step in sales tax compliance. Xero takes you the rest of the way, automatically applying the correct Missouri sales tax to every invoice and tracking it all in one place.
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FAQs about Missouri sales tax
Common exemptions include most groceries, prescription medications, and manufacturing equipment. Check with the Missouri Department of Revenue for a complete list of exemptions specific to your business.
Common exemptions include most groceries, prescription medications, and manufacturing equipment. Check with the Missouri Department of Revenue for a complete list of exemptions specific to your business.
Yes, if you have nexus in Missouri (physical presence or meet economic thresholds), you must collect sales tax on online sales to Missouri customers.
Yes, if you have nexus in Missouri (physical presence or meet economic thresholds), you must collect sales tax on online sales to Missouri customers.
The Missouri Department of Revenue assigns your filing frequency based on your sales volume, typically notifying you when you register or if your frequency changes.
The Missouri Department of Revenue assigns your filing frequency based on your sales volume, typically notifying you when you register or if your frequency changes.
Late filings may incur penalties and interest charges. Contact the Missouri Department of Revenue immediately if you've missed a deadline to minimize penalties.
Late filings may incur penalties and interest charges. Contact the Missouri Department of Revenue immediately if you've missed a deadline to minimize penalties.
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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.