Connecticut Sales Tax Calculator
The Connecticut state sales tax rate is 6.35%. Local county, city or district taxes can raise the combined rate you pay.
Pre-filled with the Connecticut state rate only. Most locations add county, city or district tax — enter the combined rate from your receipt or the state department of revenue for an accurate total.
- Subtotal
- $100.00
- Sales tax (6.35%)
- $6.35
Tax = Price × Rate ÷ 100
Estimate only — not a legal tax determination. Product exemptions, shipping rules and local rounding can change the tax due.
Rate details: Connecticut state rate 6.35% · Effective January 1, 2025 · Last checked January 1, 2025 · Source: State department of revenue published base rate (compiled) · Not independently verified — confirm with the state before relying on it.
Frequently asked questions
What is the sales tax rate in Connecticut?
The Connecticut state rate is 6.35% (as of January 1, 2025). Local jurisdictions may add their own rates, so the combined rate depends on the exact location.
How much is tax on $100 in Connecticut?
At the 6.35% state rate, tax on $100 is $6.35 for a total of $106.35, before any local tax.
Where can I find the official rate?
The Connecticut department of revenue publishes official state and local rates. Use that for filing or business compliance — this calculator gives estimates.