Missouri Sales Tax
Free Missouri sales tax calculator. Enter the purchase amount and combined rate with state 4.225% plus county and city taxes for instant tax and total.
About This Calculator
The Missouri Sales Tax Calculator helps you quickly determine the sales tax due on any purchase in Missouri. Simply enter the purchase amount and your applicable tax rate — which includes Missouri's 4.225% state rate plus any county, city, or special district taxes — and the calculator instantly shows the tax amount and total cost.
This tool is ideal for consumers, small business owners, and anyone making purchases in Missouri who needs to know the exact sales tax owed. It works for everyday purchases, big-ticket items like vehicles, and business expense calculations.
The formula used is: Tax = Purchase Amount × Tax Rate ÷ 100. The total cost is then the purchase amount plus the calculated tax. The result displays the purchase amount, applied tax rate, calculated tax amount, and gross total. An interactive bar and pie chart visualizes how the total breaks down between the purchase price and the tax component.
Missouri sales tax has three levels: the state rate (4.225%), county rates (0%–3.125%), and city rates (0%–5.454%), plus special district taxes (0%–4%). Combined rates range from 4.225% to about 10.1% depending on location. The average combined rate is around 7.91%. This calculator supports any custom rate, so you can enter your specific combined rate for your Missouri city and county.
Taxable items in Missouri include most tangible personal property, while groceries, prescription drugs, and medical devices are generally exempt. Services are typically not taxed unless specifically listed. Shipping charges are taxable when included in the sale price but may be exempt when separately declared with a third-party carrier.
Frequently Asked Questions
How does the Missouri Sales Tax Calculator work?
Enter the purchase amount and your applicable Missouri sales tax rate (state rate of 4.225% plus any county, city, or special district taxes). The calculator multiplies the amount by the tax rate to compute the exact sales tax due and the total gross cost.
What is the sales tax rate in Missouri?
Missouri has a 4.225% state sales tax rate. Counties, cities, and special districts may add additional taxes, making the combined rate range from 4.225% to about 10.1%. The average combined rate is approximately 7.91%.
How do I calculate sales tax in Missouri?
Determine the purchase amount, add all applicable tax rates (state 4.225% plus county, city, and special rates), multiply the purchase amount by the combined rate divided by 100 to get the tax, and add that to the purchase amount for the total.
Is the Missouri Sales Tax Calculator free?
Yes, it is completely free to use with no registration required. You can also share your calculations via the URL which saves your inputs.
What items are exempt from Missouri sales tax?
Most groceries, prescription drugs, and medical devices are exempt. Manufacturing machinery and equipment used directly in production may also qualify for exemptions. Services are generally not taxed unless specifically listed.
How does Missouri treat shipping charges for sales tax?
Transportation charges for taxable items are typically taxable in Missouri when included in the sale price. Separately declared shipping costs are generally exempt if handled by a third-party carrier. Ground shipping via the seller's own vehicles is usually taxable.
Can I use this calculator for Missouri car sales tax?
Yes. Enter the vehicle purchase price as the amount and the applicable Missouri sales tax rate. The calculator will show the tax due on the car purchase. Remember that Missouri also charges a separate motor vehicle sales tax of 4.225% on vehicle purchases.
How do I find the correct Missouri sales tax rate for my location?
To find your exact combined Missouri sales tax rate, check your receipt from a recent local purchase, use the Missouri Department of Revenue sales tax rate lookup tool, or consult the Avalara sales tax rate map. The state rate is always 4.225%, but county and city add-ons vary by location.