Connecticut Sales Tax Calculator
Add or remove Connecticut sales tax from a price, using the state rate plus the average local rate.
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About the Connecticut Sales Tax Calculator
This Connecticut sales tax calculator adds sales tax to a price or removes it from a total. It starts with the average combined Connecticut rate of 6.35% (state rate 6.35% plus average local rate). Change the rate to match your city or county.
How to use it
- Enter a price or a total.
- Keep the average combined rate or type your local rate.
- Choose add or remove sales tax and press Calculate sales tax.
Connecticut sales tax rate in 2026
The Connecticut state sales tax rate is 6.35%. Local governments add an average of 0.00%, for an average combined rate of 6.35%. Your exact rate depends on your city and county, so check the Connecticut department of revenue for your address.
Source: Tax Foundation, 2026 state and local sales tax rates (as of July 1, 2026).
Connecticut sales tax examples at 6.35%
| Price | Sales tax | Total |
|---|---|---|
| $10 | $0.64 | $10.63 |
| $25 | $1.59 | $26.59 |
| $50 | $3.17 | $53.17 |
| $100 | $6.35 | $106.35 |
| $250 | $15.88 | $265.88 |
| $500 | $31.75 | $531.75 |
| $1,000 | $63.50 | $1,063.50 |
How to calculate sales tax
Sales tax = price × rate. To remove tax from a total, divide the total by (1 + rate). For example, $108 at 8% includes $8 of tax on a $100 price.
Frequently asked questions
What is the sales tax in Connecticut?
The Connecticut state rate is 6.35%. With average local taxes the combined rate is about 6.35%. Your actual rate depends on your location.
Does Connecticut have local sales tax?
Yes, local governments can add taxes. The average local rate is about 0.00%.
How do I calculate sales tax in Connecticut?
Multiply the price by the sales tax rate, then add it to the price. The calculator above does it for you.
What is $100 with sales tax in Connecticut?
At the average combined rate of 6.35%, $100 costs $106.35.
Where can I find my exact Connecticut rate?
Use the Connecticut department of revenue rate lookup tool for your address.
Last reviewed: November 2026. Rates are averages. Confirm your local rate with the state department of revenue.