Colorado Sales Tax Calculator 2026
Colorado's statewide sales tax rate is 2.9% in 2026. Cities and special districts (e.g. RTD transit) add local rates—combined rates run from 2.9% to about 8.81%. Denver is 8.81%, Colorado Springs and Boulder vary. Use the calculator above for instant estimates or our city pages for exact combined rates.
Colorado Sales Tax Structure (2026)
Colorado has a 2.9% state sales tax. Cities and special districts (e.g. RTD transit in the Denver metro) impose additional rates; Colorado has no state income tax on most income and relies partly on sales tax.
- State rate: 2.9%
- City/special district add-ons: vary by locality (Denver area up to ~5.91% local)
- Typical combined rate: 2.9% to 8.81% (Denver 8.81%)
Sales Tax Rates for Major Colorado Areas
Use city pages for the most accurate combined rate and a full breakdown.
| Area | Example combined rate | Calculator |
|---|---|---|
| Denver | 8.81% | Denver Sales Tax Calculator |
| Colorado Springs | 8.25% | — |
| Boulder | 8.845% | — |
How to Find Your Exact Colorado Sales Tax Rate
Combined rates vary by city and special district. Use the calculator above with your known local rates, or look up your rate on the Colorado Department of Revenue Sales Tax. For Denver: Denver Sales Tax Calculator, or browse Colorado tax calculators.