Reverse Sales Tax Calculator Saint Louis, MO
Saint Louis, Missouri uses a combined sales tax rate of 9.679%. If your receipt only shows the total, use this page to back into the original subtotal and the tax portion.
Saint Louis Sales Tax Rate Details
The combined rate in Saint Louis is 9.679%. That includes the 4.225% statewide rate plus 5.454% in local taxes.
Saint Louis sits in local jurisdiction, and its 9.679% combined rate is 1.27% above the state average. That makes local pages more useful than a statewide estimate when you are validating receipts or reimbursements.
| Tax Component | Rate |
|---|---|
| Missouri state sales tax | 4.225% |
| Local tax | 5.454% |
| Total combined rate | 9.679% |
Official rate information is published by the Missouri Department of Revenue. Use that source if you need a compliance-grade rate for a filing or audit trail.
How Saint Louis Compares Within Missouri
Among the covered cities in Missouri, Saint Louis ranks #1 by combined rate. Compared with the state's average combined rate of 8.41%, this city is 1.27% higher.
That difference can matter more than people expect, especially on furniture, electronics, travel expenses, or multi-item receipts.
If you are comparing totals across nearby stores, city boundaries can explain why the tax amount changes even when the shelf price stays the same.
Reverse Tax Formula for Saint Louis
To find the pre-tax price on a Saint Louis receipt, divide the total by 1.0968.
Original Price = Total / 1.0968
Example: $109.68 / 1.0968 = $100.00Example Calculations for Saint Louis
| Total Paid | Original Price | Tax Amount |
|---|---|---|
| $50.00 | $45.59 | $4.41 |
| $100.00 | $91.18 | $8.82 |
| $250.00 | $227.94 | $22.06 |
| $500.00 | $455.88 | $44.12 |
When to Use the Saint Louis Rate
Use 9.679% when the purchase happened inside Saint Louis city limits or when an online order was delivered there and the seller collected the local rate.
If the purchase happened outside the city, even a short distance away, the local portion may change. The safest shortcut is to check the receipt first and use the printed rate if it is available.
Saint Louis Sales Tax - Common Questions
What is the sales tax rate in Saint Louis?v
Saint Louis's combined sales tax rate is 9.679%, which includes Missouri's 4.225% state tax plus 5.454% in local taxes.
How do I calculate the original price before tax in Saint Louis?v
Divide the total by 1.0968. For example: if you paid $109.68, the original pre-tax price was $100.00.
How much sales tax would I pay on a $100 purchase in Saint Louis?v
On a $100 pre-tax purchase in Saint Louis, you'd pay $9.68 in sales tax, for a total of $109.68.
Can I reverse sales tax for Saint Louis using just the rate?v
Yes. The reverse sales tax formula is: Original Price = Total / (1 + 9.679/100). Our calculator above does this automatically.