Sales Tax Reverse Calculator makes it simple to find the pre-tax price behind any Connecticut purchase total. Connecticut runs a flat 6.35% sales tax statewide, but knowing the rate and actually breaking out the tax from a final figure are two different things. This CT sales tax calculator does that instantly, with no math required on your end. Free to use, no account needed, and works on any device. Shoppers double-checking receipts and business owners reconciling expenses both get the same reliable answer every time. Rates stay maintained and current.