Illinois Sales Tax Rate 2026: 6.25%
The statewide sales tax rate in Illinois is 6.25% in 2026, and local jurisdictions can add their own taxes on top — so the total at the register varies by location.
6.25%
State rate
Yes
Local taxes added
$106.25
Total on a $100 purchase
How to calculate Illinois sales tax
Adding tax to a price
Multiply the pre-tax amount by 1.0625.
$250.00 × 1.0625 = $265.63 total ($15.63 tax)
Removing tax from a total (reverse)
Divide the tax-inclusive total by 1.0625 to find the pre-tax amount.
$500.00 ÷ 1.0625 = $470.59 pre-tax
These examples use the 6.25% state rate only. Where local taxes apply, add the combined local rate for the point of sale.
Sales Tax Calculator
Calculate Illinois's 6.25% rate on any amount — forward or reverse.
Sales Tax Rates by State
Compare all 50 states + DC in one 2026 table.
Idaho Sales Tax
6% state rate in 2026
Indiana Sales Tax
7% state rate in 2026
Illinois Sales Tax FAQ