Small Business Tax Estimator

Estimate your federal, self-employment, and state taxes based on your business income, expenses, and entity type.

Ad Space
Total business income before expenses
Deductible business expenses
Reasonable salary for S-Corp owners

Tax Estimate Summary

Total Estimated Tax
Federal + SE + State combined
Federal Income Tax
Self-Employment Tax
State Tax
Effective Tax Rate
Net Income After Tax

Quarterly Estimated Payments

Divide your annual tax liability into four equal payments

Q1
Due April 15
Q2
Due June 15
Q3
Due Sept 15
Q4
Due Jan 15

Tax Breakdown

Gross revenue
Business expenses
Net business income
SE tax base (92.35% of net)
Self-employment tax (15.3%)
SE tax deduction (50%)
Standard deduction
QBI deduction (20%)
Federal taxable income
Federal income tax
State income tax
Total tax liability
Ad Space

Save Your Results

Download a professional PDF report of your calculations for $2.00

Secure payment via PayPal. PDF downloads instantly after payment.

Disclaimer: This tool is for informational and educational purposes only. It does not constitute financial, legal, tax, or professional advice. Results are estimates. Consult a qualified professional before making decisions. StellarClose LLC is not liable for actions taken based on this tool.