Wisconsin sales tax at a glance
Wisconsin's typical combined rate of 5.72% ranks 42th highest among the 50 states.
What sales tax adds at the register
At the average combined rate of 5.72%:
| Price | Sales tax | Total |
|---|---|---|
| $25 | $1.43 | $26.43 |
| $100 | $5.72 | $105.72 |
| $500 | $28.60 | $528.60 |
| $2,000 | $114.40 | $2,114.40 |
Wisconsin vs. the national average and its neighbors
The average combined state-and-local sales tax across the 50 states is about 6.66%. Wisconsin's 5.72% is 0.94 points below that — on a $30,000 car, about $282 less than the national average buyer pays. Combined with a graduated income tax topping out at 7.65%, that shapes how Wisconsin funds itself — see the Wisconsin paycheck calculator for the payroll side.
Border shopping is real: here's what the same purchases cost across state lines, at each state's average combined rate.
| State | Combined rate | Tax on $250 | Tax on $30,000 |
|---|---|---|---|
| Wisconsin | 5.72% | $14.30 | $1,716 |
| Michigan | 6% | $15.00 | $1,800 |
| Iowa | 6.94% | $17.35 | $2,082 |
| Minnesota | 8.14% | $20.35 | $2,442 |
| Illinois | 8.98% | $22.45 | $2,694 |
Vehicle purchases are usually taxed by the state where the car is registered, not where it's bought — so the car column shows the rate you'd owe as a resident, not a border-shopping opportunity.
Reading a Wisconsin receipt
A Wisconsin receipt typically shows tax as a single line at the combined rate, even though the money is split between the state and one or more local jurisdictions. To check a receipt: multiply the taxable subtotal by 0.0572 (the 5.72% average) — if the tax line is meaningfully higher, you're in a locality above the average, up to 7.9%; if lower, some items were exempt (groceries and prescriptions are exempt or reduced in most states). The reverse mode on the calculator above recovers the pre-tax price from any total.
Frequently asked questions
+What is the sales tax in Wisconsin in 2026?
Wisconsin's state sales tax is 5%. Cities, counties and districts add local taxes averaging 0.72% (population-weighted), for a typical combined rate of 5.72% — and up to 7.9% in the highest-tax localities.
+How do I calculate Wisconsin sales tax backwards from a total?
Divide the total by 1 plus the rate as a decimal. At 5.72%, a $105.72 total means a $100.00 price and $5.72 tax. Choose "Total after tax (reverse)" above to do it automatically.
+Do online orders charge Wisconsin sales tax?
Yes. Since the Wayfair decision, large online sellers must collect Wisconsin sales tax based on your delivery address — the same state and local rate you'd pay in a store.
+How much is sales tax on a $30,000 car in Wisconsin?
About $1,716 at the 5.72% average combined rate ($1,500 at the 5% state rate alone). Vehicle tax is generally assessed by your state of registration and collected when you title the car; some states cap or exempt private-party sales.
+How does Wisconsin's sales tax compare nationally?
Wisconsin's 5.72% average combined rate ranks 42th highest of the 50 states, versus a national average of about 6.66%.
+Is the rate the same everywhere in Wisconsin?
No. Local rates vary by city and county, from 5% (state only) up to about 7.9%. Use a recent receipt or your state revenue department's lookup for your exact address.
Rates as of July 1, 2026, from state revenue departments compiled by the Tax Foundation; local averages are population-weighted. Product exemptions (groceries, clothing, medicine) vary by state. Estimates only — see our terms.