Colorado Sales Tax Calculator
Estimate sales tax in Colorado at the average combined rate of 7.86%. 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.
Colorado sales tax rate
| State sales tax rate | 2.9% |
| Average local sales tax rate | 4.96% |
| Average combined rate | 7.86% |
Population-weighted averages as of July 1, 2025 (Tax Foundation). Your exact rate depends on your city and county.
How sales tax works in Colorado
Colorado charges a statewide rate of 2.9%. Counties and cities add their own rates on top, which is why the combined total varies by location. The 4.96% figure above is the population-weighted average. 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 Colorado's average combined rate of 7.86% adds $7.86 in sales tax, for a $107.86 total.
Frequently asked questions
What is the sales tax rate in Colorado?
Colorado's statewide rate is 2.9%. With an average local rate of 4.96%, the typical combined rate is about 7.86%.
How much is sales tax on $100 in Colorado?
At the average combined rate of 7.86%, sales tax on a $100 purchase is about $7.86, for a total of $107.86. Your exact rate depends on your city and county.
Why is my local rate different?
Counties and cities in Colorado set their own add-on rates, so the total varies by location. 4.96% is the population-weighted average; enter your exact combined rate for a precise figure.
Sales tax by state
Or use the general sales tax calculator with any rate.