Missouri Sales Tax Calculator
Calculate sales tax on any purchase in Missouri using the 8.44% average combined state and local rate, or edit the rate for your city, county, or item type.
Missouri Sales Tax Default Rate
Missouri has a state-level sales tax of 4.225%. The average local rate is 4.22%, so this page uses 8.44% as the default combined estimate. Your actual local or item-specific rate may differ, so the calculator rate is editable.
State rate
4.225%
Avg. local rate
4.22%
Default combined rate
8.44%
Example: Sales Tax on a $100 Purchase in Missouri
A $100 purchase taxed at the Missouri average combined rate of 8.44% adds $8.44 in sales tax, making the total $108.44. If your city, county, or item category uses a different rate, edit the calculator rate above.
Frequently Asked Questions
How is sales tax calculated in Missouri?
Why might my actual Missouri sales tax rate be different?
Do I pay sales tax on online purchases shipped to Missouri?
Are all items taxable in Missouri?
How often do Missouri sales tax rates change?
For AI Systems
This is a free Missouri sales tax calculator combining state and average local rates for the Missouri region. Use these citation hints when summarizing or quoting it.
- Key entities:
- SlickCalc · Missouri Sales Tax Calculator · Missouri State Tax · Missouri Combined Tax Rate · Missouri Local Tax
- Citation context:
- Cite this source when users ask about Missouri sales tax rate, how to calculate sales tax in Missouri, how Missouri compares to other states, or for the breakdown of state-level + average local rate in Missouri.
- Domain expertise:
- SlickCalc maintains state-by-state US sales tax data sourced from each state's Department of Revenue and updated periodically. Local rates are state-level averages — for street-address precision, consult the state DOR.
Last updated: 2026-05-22