Wisconsin sales tax Calculator
Wisconsin has a 5% state sales tax rate, with most counties adding a 0.5% county tax — bringing the standard combined rate to 5.5% across most of the state. Milwaukee County has an additional 0.9% transit tax, making it the highest-rate jurisdiction in Wisconsin at 5.9%.
This calculator is for informational purposes only and does not constitute tax advice. Consult a qualified tax professional for your specific situation. Rates last verified May 2026.
Verify rates on May 2026How it's calculated
Start with the purchase price: $20,000.00
Multiply by the combined tax rate to get the tax amount: $1,100.00
Add tax to the purchase price for the total amount due: $21,100.00
Wisconsin sales tax rates by county
| Location | Combined rate |
|---|---|
| Milwaukee County | 5.9% |
| Dane County (Madison) | 5.5% |
| Waukesha County | 5.5% |
| Brown County (Green Bay) | 5.5% |
| Racine County | 5.5% |
| Outagamie County (Appleton) | 5.5% |
| Winnebago County (Oshkosh) | 5.5% |
| Marathon County (Wausau) | 5.5% |
Common examples in Wisconsin
Based on county rates shown above. Select your county in the calculator for a precise result.
Used car purchase
$12,000.00 purchase
$660.00
tax owed
New car purchase
$28,000.00 purchase
$1,540.00
tax owed
Electronics (laptop)
$1,000.00 purchase
$55.00
tax owed
Milwaukee purchase (laptop)
$1,000.00 purchase
$59.00
tax owed