Connecticut Sales Tax Calculator (2025)
Connecticut levies a state sales tax of 6.35%. Local jurisdictions add an average of 0.00%, bringing the combined effective rate to 6.35%. Enter any pre-tax price below to see the total with tax — or switch to "remove tax" mode to back out the pre-tax price from a receipt.
Default: Connecticut 6.35%
100% private
All math runs in your browser. Nothing leaves your device.
Formula-verified
Each calculator is unit-tested against authoritative sources.
Instant results
Static-rendered pages. Sub-second loads on any device.
Works offline
Visit once and it keeps working without an internet connection.
Connecticut sales tax breakdown
| State sales tax rate | 6.35% |
| Average local rate (city + county) | 0.00% |
| Combined effective rate | 6.35% |
Sales tax in other states
Sources: Tax Foundation State and Local Sales Tax Rates 2025; Connecticut Department of Revenue. Local rates are population-weighted averages — your specific city or county may differ. Estimates only — confirm at point-of-sale or with the Connecticut DOR for binding figures.