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Amazon Flex Tax Calculator — Colorado 2026

Free Amazon Flex tax calculator for Colorado (CO). Includes the 4.4% Colorado state income tax plus federal SE tax (15.3%) and federal income tax. Quarterly payment schedule with Google Calendar export. No signup required.

CO: 4.4% IRS Schedule SE No Signup 2026 Tax Rules Instant Results
Amazon Flex Tax Calculator 2026IRS Schedule SE
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Amazon Flex Taxes in Colorado — 2026 Guide

How Amazon Flex Taxes Work in Colorado

Colorado has a flat 4.4% state income tax rate. Amazon Flex workers in Colorado must file both federal Form 1040-ES and Colorado Form DR 0105EP for quarterly estimated payments.

SE Tax
15.3%
Federal (all states)
Federal Tax
10–37%
Based on income
CO State Tax
4.4%
Colorado rate

2026 Quarterly Tax Deadlines for Colorado

QuarterDue DateFederal (1040-ES)CO State
NOWQ1 2026April 15, 2026✓ RequiredRequired
Q2 2026June 16, 2026✓ RequiredRequired
Q3 2026September 15, 2026✓ RequiredRequired
Q4 2026January 15, 2027✓ RequiredRequired

Top Tax Deductions for Amazon Flex Workers in Colorado

Mileage deduction — $0.725/mile (2026 IRS rate)
Phone bill — business use percentage
Auto insurance — business use percentage
Parking fees & tolls
Delivery equipment & supplies
Accounting & tax software
Self-employed health insurance premiums
Half of self-employment tax (SE tax deduction)
EV charging costs (if electric vehicle)
Business bank account fees

FAQ — Amazon Flex Taxes in Colorado 2026

Q: How much is Amazon Flex tax in Colorado?
In Colorado, Amazon Flex workers pay 15.3% self-employment tax, federal income tax (10–37%), plus 4.4% Colorado state income tax. On $50,000 net income, expect to owe approximately $17,000–$22,000 total.
Q: Do I need to make quarterly payments in Colorado?
Yes. In Colorado, you must make both federal quarterly estimated payments (IRS Form 1040-ES) and Colorado state quarterly payments if you expect to owe $1,000 or more.
Q: What is the self-employment tax rate in Colorado for Amazon Flex workers?
The federal self-employment tax rate is 15.3% regardless of state. This covers Social Security (12.4%) and Medicare (2.9%). In Colorado, you additionally pay 4.4% state income tax.
Q: Does Amazon Flex take out taxes in Colorado?
No. Amazon Flex classifies workers as independent contractors, not employees. No taxes are withheld from your payments. You are responsible for paying all federal SE tax, federal income tax, and Colorado state income tax yourself, typically through quarterly estimated payments.
Disclaimer: State tax rates are for estimation purposes. Verify with your state's department of revenue or a licensed CPA. Not affiliated with the IRS, Amazon Flex, or any government agency.
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Written & reviewed by
Ethan Blake
Tax Compliance Specialist · Since 2017

Helped 5,000+ freelancers navigate IRS rules. Specializes in gig economy and 1099 taxation.

IRS.gov SourceAll articles by Ethan Blake →

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