Small Business Owner Tax Calculator United States
Estimate what you could get back as a small business owner in United States. Applies United States marginal rates including state tax. Free, and no sign-up.
What small business owners can claim in United States
- Employee wages and payroll taxes
- Rent on business premises
- Utilities and janitorial services
- Section 179 equipment expensing
- Bonus depreciation on assets
- Business insurance premiums
- Advertising and marketing costs
- Startup costs amortization
- Business loan interest
- Merchant processing fees
- State business license
- Legal and professional fees
- Self-employed health insurance premiums
- Half of self-employment tax
- Qualified business income deduction
These deductions are written for self-employed workers, independent contractors and gig workers who report business income on Schedule C (Form 1040) — W-2 employees generally cannot deduct unreimbursed employee expenses because the Tax Cuts and Jobs Act suspended the 2%-of-AGI miscellaneous itemized deduction, and only Armed Forces reservists, qualified performing artists, fee-basis state or local officials and employees with impairment-related work expenses remain eligible.
You can only claim the work-related portion, you must have spent the money yourself without reimbursement, and you need a record to prove it.
Frequently asked questions
What can a small business owner claim on tax in United States?
Commonly claimed deductions include employee wages and payroll taxes, rent on business premises, utilities and janitorial services, section 179 equipment expensing. These deductions are written for self-employed workers, independent contractors and gig workers who report business income on Schedule C (Form 1040) — W-2 employees generally cannot deduct unreimbursed employee expenses because the Tax Cuts and Jobs Act suspended the 2%-of-AGI miscellaneous itemized deduction, and only Armed Forces reservists, qualified performing artists, fee-basis state or local officials and employees with impairment-related work expenses remain eligible.
How much tax does a small business owner pay in United States?
It depends on your income and your state. The calculator applies United States marginal rates including state tax.
Do I need to sign up to use this calculator?
No. This calculator is completely free and requires no account. Nothing you enter is saved.
Related tax guides
- The 2026 Tax Cuts Explained: How Much Will You Really Save?
- The $1,000 No-Receipts Deduction: Is It Right for You?
- Work From Home Tax Deductions 2025: The Complete Guide
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Estimate only — not tax advice. Confirm with the IRS or a registered tax professional.