St. Louis Sales Tax Calculator (2026)

The sales tax rate in St. Louis, Missouri is 9.679%. That is made up of the 4.225% Missouri state sales tax plus about 5.454% in local city and county taxes. On a $100 purchase you pay $9.68 in sales tax, for a total of $109.68.

9.679%Combined rate
4.225%MO state rate
5.454%Local add-on

St. Louis Sales Tax Calculator

For other rates and a UK VAT mode, use the full sales tax calculator.

Sales tax in St. Louis, Missouri

When you buy something in St. Louis, the price at the register includes a combined sales tax of 9.679%. That figure layers local St. Louis city and county taxes of about 5.454% on top of the Missouri state base rate of 4.225%. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.

How much sales tax will you pay in St. Louis?

To work out the tax on any purchase, multiply the price by 9.679%. A few quick examples for St. Louis:

Purchase priceSales tax (9.679%)Total
$20$1.94$21.94
$50$4.84$54.84
$100$9.68$109.68
$500$48.40$548.40
$1,000$96.79$1,096.79

Compare St. Louis with the rest of the state on the Missouri sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.

Frequently asked questions

What is the sales tax rate in St. Louis?

The combined sales tax rate in St. Louis, MO is 9.679%, which includes the 4.225% Missouri state rate and about 5.454% in local taxes.

How do I calculate sales tax in St. Louis?

Multiply the price by 9.679% (i.e. by 0.0968). For example, a $50 item has $4.84 of sales tax, for a total of $54.84.

How do I remove sales tax from a St. Louis total?

Divide the tax-inclusive total by 1.0968. The result is the pre-tax price and the remainder is the 9.679% tax.

Is St. Louis sales tax the same as the Missouri state rate?

No. Missouri charges a 4.225% state rate, and St. Louis adds local taxes on top for a 9.679% combined rate.