Tax & Payroll Calculators
State income tax, capital gains tax, paycheck withholding, S-Corp salary optimization, home office deduction, self-employment tax, W-2 vs 1099, quarterly estimates, and more for taxpayers and payroll professionals.
11 calculators available
Self-Employment Tax Calculator
Calculate Social Security, Medicare, and federal income tax on self-employment income using 2026 IRS rates and brackets.
Use Calculator1099 vs W-2 Comparison Calculator
Compare take-home pay, tax burden, and total compensation between W-2 employment and 1099 self-employment.
Use CalculatorQuarterly Estimated Tax Calculator
Calculate quarterly estimated tax payments with safe harbor amounts and 2026 IRS deadlines.
Use CalculatorSales Tax Reverse Calculator
Extract sales tax from a total price or add tax to a pre-tax price using any state or local tax rate.
Use CalculatorTake-Home Pay Calculator
Calculate net pay after federal tax, FICA, state tax, 401(k), and insurance deductions using 2026 brackets.
Use CalculatorState Income Tax Calculator
Calculate state income tax for all 50 states and D.C. with 2026 brackets, standard deductions, effective and marginal rates, and net pay by state.
Use CalculatorCapital Gains Tax Calculator
Calculate short-term and long-term capital gains tax with 2026 federal rate thresholds, NIIT (3.8%), state tax, and net proceeds after all taxes.
Use CalculatorPaycheck Calculator (W-4 2026)
Calculate gross-to-net paycheck with 2026 W-4 withholding, federal brackets, FICA ($176,100 SS base), state tax, 401(k), and health insurance deductions.
Use CalculatorS-Corp Salary vs. Distribution Calculator
Find the optimal salary and distribution split for S-Corp owners to minimize self-employment tax while maintaining IRS reasonable compensation standards.
Use CalculatorHome Office Deduction Calculator
Compare the IRS simplified method ($5/sq ft) vs. actual expense method (Form 8829) for 2026 home office deductions with depreciation and indirect cost allocation.
Use CalculatorSalary After Bonus Calculator
Calculate your net take-home bonus after federal supplemental tax (22%), state tax, and FICA withholding. Compare flat amount versus percentage-based bonuses.
Use CalculatorTax and payroll calculations affect every working professional and business owner in the United States. From estimating self-employment tax to comparing W-2 employment against 1099 contracting, the numbers drive major career and business decisions. Our tax and payroll calculators provide clear, accurate estimates using current federal tax rates and standard payroll formulas. Each tool breaks down the math so you understand exactly where your money goes.
Why Use Our Tax & Payroll Calculators
Tax calculations involve brackets, deductions, credits, and special rates that change based on filing status and income level. Payroll math requires understanding FICA contributions, federal and state withholding, and employer-side obligations. Generic calculators often oversimplify or omit critical factors like the self-employment tax deduction or the Social Security wage base limit. Our tools handle these details using rates published by the IRS and standard payroll accounting methods.
Who Are These Calculators For?
- Self-employed professionals estimating quarterly tax payments
- Workers comparing net income between W-2 and 1099 arrangements
- Small business owners calculating payroll costs and obligations
- Individuals planning take-home pay and understanding tax brackets
Key Features
- Self-employment tax estimation with deduction for employer-equivalent portion
- W-2 vs 1099 net income comparison with side-by-side analysis
- Quarterly estimated tax payment calculations for independent workers
- Take-home pay and salary after bonus estimation
How to Choose the Right Calculator
If you are self-employed, start with the Self-Employment Tax Calculator to estimate your FICA obligations. The W-2 vs 1099 Calculator helps you compare job offers or contract arrangements. For ongoing tax planning, the Quarterly Tax Estimator helps you avoid underpayment penalties. Employees can use the Take-Home Pay Calculator to understand their net paycheck after all deductions.
Frequently Asked Questions
What is the current self-employment tax rate?
The self-employment tax rate is 15.3%, which covers 12.4% for Social Security (up to the wage base limit) and 2.9% for Medicare. Self-employed individuals can deduct the employer-equivalent portion (7.65%) when calculating adjusted gross income.
How does the W-2 vs 1099 comparison work?
The calculator compares your net income under both scenarios. W-2 employees have FICA split with their employer and taxes withheld automatically. 1099 contractors pay full self-employment tax but can deduct business expenses. The tool shows the true net difference.
Do these calculators include state taxes?
Our tax calculators focus on federal tax obligations. State tax rates and rules vary significantly. For a complete picture, add your state tax estimate to the federal results.
When are quarterly estimated taxes due?
The IRS requires quarterly estimated payments on April 15, June 15, September 15, and January 15 of the following year. Our Quarterly Tax Estimator calculates your expected payment amount for each period.
Disclaimer
Tax and payroll calculators produce estimates based on current published federal tax rates and standard formulas. These tools are not tax advice. Your actual tax obligation depends on your complete financial situation, filing status, deductions, credits, and state tax laws. Always consult a licensed tax professional or CPA for personalized tax planning and filing.