Colorado Self-Employment Tax Calculator

Colorado has a flat 4.40% state income tax. On top of that, every freelancer, gig worker, and 1099 contractor owes 15.3% federal self-employment tax on net profit. Enter your expected Colorado net profit to see your full 2026 tax breakdown.

Take-home rate 76%
Take-home $57,147 Tax $17,853

Federal SE tax

Net earnings subject to SE tax (92.35%) $69,263
Social Security (12.4%) $8,589
Medicare (2.9%) $2,009
Total self-employment tax $10,597

Income tax

Half of SE tax deduction -$5,299
QBI deduction (20%) -$10,720
Federal income tax $4,898
Colorado income tax $2,358

Bottom line

Total estimated tax $17,853
Effective tax rate 23.8%
Estimated take-home pay $57,147

Running your business as an LLC in Colorado?

Colorado charges a $25 annual LLC fee. Periodic report due in a 5-month window around your formation anniversary.

See the full Colorado LLC tax calculator →

GigTaxTools provides estimates for planning purposes only and is not tax, legal, or accounting advice. Tax figures reflect 2026 federal and state rates as published and may not capture every deduction, credit, or local tax that applies to your situation. Consult a qualified tax professional before filing.

% © 2026 GigTaxTools. All calculations are estimates.