United States Financial Calculators
2026/27 Tax Year — Verified rates from official authorities
1099 Self-Employment & Quarterly Estimated Tax Calculator
Calculate your federal 15.3% Self-Employment Tax (Social Security & Medicare, including Additional Medicare tax and income threshold caps), half-SE tax deduction, progressive federal income tax, and quarterly estimated payment amounts for freelancers, gig workers, and 1099 contractors.
S-Corp Election vs LLC Tax Savings Calculator
Calculate potential self-employment tax savings from electing S-Corporation tax status over a Single-Member LLC, factoring in IRS reasonable officer compensation, payroll FICA taxes, state corporate franchise taxes, and compliance administration costs.
W-2 Gross-to-Net Paycheck Tax & Take-Home Calculator
Calculate exact net take-home pay per pay period by accounting for Federal W-4 withholdings, Social Security (6.2%), Medicare (1.45%), state and local taxes, and pre-tax payroll deductions (401k, HSA, FSA, health premiums).
Home Sale Net Proceeds & Section 121 Capital Gains Tax Calculator
Calculate net cash proceeds at closing and potential IRS capital gains tax when selling a residential property, incorporating IRS Section 121 primary residence tax exclusions ($250k single / $500k married), adjusted cost basis, agent commissions, and state capital gains taxes.
Small Business Commercial Lease & Break-Even Revenue Calculator
Determine total monthly commercial real estate lease costs (Base Rent + NNN Common Area Maintenance, Property Taxes, and Insurance) and calculate the required monthly revenue to achieve operational break-even.