Illinois sales tax calculator: calculate sales tax and total (Illinois, USA)
Examples
FAQs
Why is my Illinois sales tax higher than 6.25%?
Local taxes can apply on top of the state rate (home rule, mass transit, special districts).
Do groceries have sales tax in Illinois in 2026?
The state grocery tax is eliminated starting Jan 1, 2026, but local grocery taxes (including RTA/MED and any 1% local grocery ordinance) may still apply.
Are candy and soft drinks treated as groceries?
No—candy and soft drinks are treated as high-rate items (taxed like general merchandise).
How do I handle tax-included prices?
Use: base = total ÷ (1 + rate) and tax = total − base.
What if I bought online and wasn’t charged tax?
Illinois explains that if a retailer doesn’t collect the tax, the customer may owe Illinois use tax.
Do medicines have a lower tax rate?
Illinois continues a 1% state rate for qualifying drugs/medical appliances and medicines/drugs with medicinal claims.
Does the tax rate change during the year?
Yes—local sales tax rates can change, commonly effective Jan 1 or Jul 1.
How do I find my exact rate for my address?
Use the MyTax Illinois Tax Rate Finder / Tax Rate Database for your address and date.
Why might my receipt not match this calculator by a few cents?
Stores may round per line item, apply different taxability rules per item, or use a more precise location rate.
Is there any withholding/retention from the buyer?
Not in typical retail sales—tax is collected at checkout.
Note: This calculator provides an estimate. Rates can vary by region and change over time. It is not tax advice.
See more in calculators for United States.
Sources
- Illinois Department of Revenue — Sales & Use Taxes (ROT/UT overview)Illinois Department of Revenue · Illinois, United States · Accessed: 2026-01-28Retailers' Occupation Tax and Use Tax overview.
- IDOR Informational Bulletin FY 2026-03 — Grocery tax changesIllinois Department of Revenue · Illinois, United States · Accessed: 2026-01-28State grocery tax eliminated effective Jan 1, 2026.
- IDOR PIO-115 — Tax Rate Information for Retail Sales of Food and Medicinehttps://tax.illinois.gov/content/dam/soi/en/web/tax/research/publications/pubs/documents/pio-115.pdfIllinois Department of Revenue · Illinois, United States · Accessed: 2026-01-28Food and medicine rate guidance.
- IDOR — Mass Transit District Sales Tax (RTA/MED)Illinois Department of Revenue · Illinois, United States · Accessed: 2026-01-28Mass transit district tax rates.
- IDOR — Tax Rate Database / Rate FinderIllinois Department of Revenue · Illinois, United States · Accessed: 2026-01-28Rate lookup tools and address-based finder.
