2025 Tax Year

Kansas Side Hustle Tax Calculator

Calculate your Kansas state tax (5.58%), federal tax, and self-employment tax on 1099 income.

KS5.58%

2.9 million residents

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2025 rates

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Last updated: January 2026 · Data from IRS Rev Proc 2024-40

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State

W-2 Income (from your day job)

Side Hustle Income *

Business Expenses (optional)

Kansas side hustlers face a straightforward two-bracket tax system with rates of 5.2% and 5.58%. The Sunflower State has no local income taxes, making tax planning simpler than neighboring Missouri. Kansas City, KS residents benefit from lower overall taxes than their counterparts across the state line in Missouri.

Kansas Tax Guide

How Side Hustle Taxes Work in Kansas

Kansas uses a simple two-bracket system:

**Kansas state tax rates (2025):** - 5.2% on income up to $23,000 (single) / $46,000 (married) - 5.58% on income over $23,000 (single) / $46,000 (married)

**No local income taxes:** - Kansas City, KS and all Kansas cities have no income taxes - Only the state tax rate applies

This is simpler than Missouri's system with Kansas City's 1% earnings tax.

Example

What Kansas Side Hustlers Owe

Let's say you're a single filer in Kansas City, KS with a $50,000 W-2 job and $15,000 in side hustle income from freelance graphic design, with $2,000 in business expenses.

**Your estimated taxes on the side hustle:** - Net self-employment income: $13,000 - Federal SE tax (15.3% of 92.35%): ~$1,839 - Federal income tax on side income: ~$2,860 (22% bracket) - Kansas state tax (5.58%): ~$725 - **Total additional tax: ~$5,424**

Important Dates

Kansas Tax Deadlines 2025

Kansas estimated tax deadlines: - **Q1**: April 15, 2025 - **Q2**: June 16, 2025 - **Q3**: September 15, 2025 - **Q4**: January 15, 2026

Use Kansas Form K-40ES for state estimated tax payments.

Save Money

Common Deductions for Kansas Freelancers

Kansas freelancers benefit from no local taxes and unique state deductions. **Home office expenses**: Claim dedicated business space using simplified ($5/sq ft) or actual expense method. **Business mileage**: 67 cents/mile for 2025; important for those serving clients in Kansas City, Wichita, or Topeka. **Equipment and supplies**: Computers, cameras, tools, and office supplies are deductible. **Professional services**: Accounting, legal, and tax preparation fees are fully deductible. **Health insurance premiums**: Self-employed individuals can deduct 100% of health insurance costs. **Retirement contributions**: SEP-IRAs and Solo 401(k)s reduce federal AGI, which Kansas uses as its starting point. **Kansas SE Tax Deduction**: Kansas allows a 50% deduction of your federal self-employment tax—an additional state benefit. **Marketing expenses**: Website costs, business cards, and promotional materials are deductible. Kansas starts with federal AGI, so all Schedule C deductions reduce your KS taxes. Every dollar deducted saves you 5.2-5.58% in state taxes plus your federal rate.

Common Questions

Kansas Side Hustle Tax FAQ

What is Kansas's tax rate?

Kansas has two brackets: 5.2% on income up to $23,000 and 5.58% on income above that. Most side hustlers with W-2 income pay the 5.58% rate.

Is Kansas City, KS better for taxes than Missouri side?

Generally yes. Kansas has no local income tax, while Kansas City, MO adds a 1% earnings tax. You could save 1% living on the Kansas side.

Does Kansas have local income taxes?

No, Kansas has no local or city income taxes anywhere in the state. You only pay the state tax rate.

Do I need to register my side hustle in Kansas?

Sole proprietors using their legal name don't need state registration. If using a trade name (DBA), register with the Kansas Secretary of State. LLCs must register with the Secretary of State. Sellers may need a Sales Tax Registration.

Does Kansas allow an SE tax deduction?

Yes, Kansas allows you to deduct 50% of your federal self-employment tax when calculating Kansas taxable income. This is a state-specific benefit that reduces your Kansas tax liability.