Colorado State Tax Estimator

Colorado <a href="https://statetaxestimator.com/">State Tax Estimator</a>

Enter Your Information

Annual Income

Slide or type to adjust your income (up to $50,000,000).

Filing Status

Federal Adjusted Gross Income (AGI)

Enter your federal AGI from Form 1040, line 11.

Federal Taxable Income

Enter your federal taxable income from Form 1040, line 15.

Estimated Annual Withholdings

Federal Deduction Type

Standard Deduction Itemized Deduction

529 Plan Contributions

Enter contributions to a Colorado 529 plan (CollegeInvest).

Your 2025 Colorado Tax Summary

Your estimated Colorado state tax and quarterly payments:

$0.00

Effective Tax Rate: 0%

Tax Breakdown

Federal Adjusted Gross Income (AGI):

$0.00

Federal Taxable Income:

$0.00

Addback (if AGI > $300,000):

$0.00

529 Plan Subtraction:

-$0.00

Colorado Taxable Income:

$0.00

Estimated Withholdings:

-$0.00

Total State Tax:

$0.00

Quarterly Estimated Payment:

$0.00

How to Pay

Pay online via Revenue Online (credit/debit card or e-check). Alternatively, mail Form DR 0104EP with a check to: Colorado Department of Revenue, Denver, CO 80261-0005. Include your SSN and “2025 Form DR 0104EP” on the check.

Disclaimer: This tool provides estimates only. Tax laws change frequently, and calculations may vary. Consult a tax professional for accurate advice.