United States Tax & Paycheck Calculators (IRS 2026 Rules)
Free, accurate 2026 US tax calculators verified against official IRS tax brackets. Calculate 1099 self-employment tax, S-Corp tax savings, W-2 take-home pay, capital gains, and commercial lease break-even.
Available Statutory Engines (5)
1099 Self-Employment & Quarterly Tax Calculator
Calculate your 15.3% self-employment tax, federal income tax, and 1040-ES quarterly estimated payments. See your exact net income after SE tax deductions.
S-Corp vs LLC Tax Savings Calculator
Compare S-Corp election against Single-Member LLC taxation to see your exact FICA tax savings. Factoring officer salary, payroll taxes, and annual compliance fees.
W-2 Paycheck & Take-Home Tax Calculator
Determine your net take-home pay per paycheck after federal withholding, FICA taxes, state taxes, and 401(k) deductions. See your complete net earnings breakdown.
Home Sale Net Proceeds & Capital Gains Calculator
Estimate your net cash proceeds at closing and federal capital gains tax when selling your home. Includes IRS Section 121 exclusions, agent fees, and cost basis adjustments.
Commercial Lease & Break-Even Sales Calculator
Calculate total monthly commercial lease costs including NNN expenses and determine your break-even sales volume. Find out the revenue needed to run a profitable space.
State & Profession Self-Employment Calculators
Targeted Schedule C calculations customized by US state tax codes.
United States Tax & Compliance Guides
All Guides →1099 Contractor vs W-2 Employee Tax Comparison 2026: Self-Employment Tax & Take-Home Pay Guide
Detailed tax comparison between 1099 independent contractors and W-2 employees in the US. Learn how to calculate SE tax, FICA splits, QBI deductions, and equivalent compensation.
2026 Guide to US Quarterly Estimated Tax Payments (IRS Form 1040-ES)
Comprehensive guide to 2026 estimated quarterly taxes for freelancers, 1099 contractors, and S-Corp owners. Learn IRS safe harbor rules, SE tax rates (15.3%), and payment deadlines.
United States Statutory Regulatory Framework
Official Standards & Mathematical Models
All United States calculators utilize official IRS 2026 tax brackets, Social Security wage base caps ($176,100), standard deductions ($15,000 Single / $30,000 Joint), Section 199A QBI deductions, and state income tax rules. Verified directly against published circulars from Internal Revenue Service (IRS) for fiscal year 2026/2027.