Connecticut Sales Tax Calculator
Estimate sales tax in Connecticut at the average combined rate of 6.35%. Add tax to a price or back it out of a total.
Enter your combined state + local rate. U.S. sales tax rates vary by city and county.
Connecticut sales tax rate
| State sales tax rate | 6.35% |
| Average local sales tax rate | None |
| Average combined rate | 6.35% |
Population-weighted averages as of July 1, 2025 (Tax Foundation). Your exact rate depends on your city and county.
How sales tax works in Connecticut
Connecticut charges a statewide rate of 6.35%. There are no additional local sales taxes, so the rate is consistent statewide. To add tax, multiply the price by the rate; to back it out of a tax-inclusive total, divide by 1 plus the rate.
Worked example
A $100 purchase at Connecticut's average combined rate of 6.35% adds $6.35 in sales tax, for a $106.35 total.
Frequently asked questions
What is the sales tax rate in Connecticut?
Connecticut's statewide rate is 6.35%. With an average local rate of 0%, the typical combined rate is about 6.35%.
How much is sales tax on $100 in Connecticut?
At the average combined rate of 6.35%, sales tax on a $100 purchase is about $6.35, for a total of $106.35. Your exact rate depends on your city and county.
Does Connecticut have local sales taxes?
Connecticut levies a single statewide rate of 6.35% with no additional local sales taxes, so the rate is the same across the state.
Sales tax by state
Or use the general sales tax calculator with any rate.