How do I calculate Colorado sales tax on a price?

Multiply the pre-tax price by 0.0290 (2.9/100). For example, a $100 item has $2.90 in state sales tax, giving a total of $102.90 before any local taxes.

How do I remove Colorado sales tax from a total?

Divide the total price by 1.0290. Select "Remove Sales Tax" mode — the calculator will automatically extract the 2.9% state tax from the entered total.

Is my data sent anywhere when I use this calculator?

No. All calculations run entirely in your browser using JavaScript. No amounts, inputs or personal data are ever transmitted to any server.

Colorado Sales Tax Calculator 2025 — 2.9% State Rate

Q: What is the Colorado sales tax rate in 2025?

The Colorado statewide base sales tax rate is 2.9% as of 2025. Colorado has the lowest state sales tax rate in the US at 2.9%. However, cities and counties add significant local taxes. Denver's combined rate is 8.81%.

Colorado Sales Tax Calculator 2025

Colorado charges a statewide base Sales Tax rate of 2.9% as of 2025.

Enter an amount below to add sales tax to a pre-tax price or remove it from a tax-inclusive total. The rate field defaults to the Colorado state base rate and can be adjusted to reflect your local combined rate. All calculations run entirely in your browser — no amounts or personal data are transmitted.

Important: Colorado has the lowest state sales tax rate in the US at 2.9%. However, cities and counties add significant local taxes. Denver’s combined rate is 8.81%.