Tax Tools

Calculate your exact net paycheck after federal, state, and FICA taxes plus pre-tax deductions like 401(k) and health insurance.

Calculate self-employment tax, estimated quarterly payments, and total tax burden for freelancers and independent contractors.

See how overtime is actually taxed, including the OBBBA tax-free overtime deduction ($12,500/$25,000). Debunks the 'overtime is taxed more' myth.

Estimate your quarterly tax payments with due dates and safe harbor thresholds to avoid underpayment penalties.

See how your bonus is taxed at the flat 22% withholding rate vs your actual marginal rate. Find your real take-home.

Get your W-4 right. See if you're over- or under-withholding and exactly what to put on your form.

Estimate whether you'll get a refund or owe at tax time based on your income, withholding, and credits.

Estimate taxes on ISO and NSO stock options including AMT implications, capital gains treatment, and holding period impact.

Calculate taxes on restricted stock unit vesting. See marginal federal, FICA, and state tax on your RSU income.

Full SE tax breakdown with QBI deduction, W-2 income interaction, and SS wage base coordination.

See how gig, freelance, or rental income stacks on top of your W-2 salary. Know your marginal rate on extra dollars.

Calculate taxes on 401(k) and IRA withdrawals including early withdrawal penalties and Social Security interaction.

Convert your annual salary to an hourly rate after taxes. Compare at 40, 50, and 60-hour work weeks.

Convert your hourly rate to an annual salary and see take-home pay after taxes. Includes overtime scenarios.

Discover your marriage bonus or penalty. Compare filing jointly vs separately with two incomes.

Compare take-home pay between states with cost of living adjustment. See your 5-year cumulative savings from relocating.

Compare real purchasing power between states. See the salary you'd need in a new state to maintain your lifestyle.

Calculate the true cost to hire an employee including employer FICA, benefits, workers comp, and unemployment insurance.

Calculate capital gains tax on stocks, crypto, and real estate by state. Compare short-term vs long-term rates with NIIT.

Compare freelance contractor pay vs employee salary after self-employment tax, health insurance, 401k match, and all deductions.

Calculate how much of your Social Security is taxable. See federal 0/50/85% thresholds and which states tax SS benefits.

Plan your exact net paycheck with 401(k), HSA, health insurance, student loans, and child support. See your real deposit per pay period.

Interactive visualization showing how your income flows through federal and state brackets. See exactly what you pay in each bracket.

Calculate the minimum salary you should accept in a new state to match your current lifestyle after taxes and cost of living.

Calculate total tax on combined retirement income: Social Security, pension, 401(k)/IRA, and part-time work. Find the best state.

See what you actually keep from side income after SE tax and marginal income tax. Calculate your real after-tax hourly rate.

Break down your total compensation — base, RSU, bonus, ESPP — and see what each component is actually worth after all taxes.

Calculate the maximum number of ISO shares you can exercise before triggering Alternative Minimum Tax. Critical for tech employees with vested ISOs.

Compare four giving strategies cash, appreciated stock, Donor-Advised Fund bunching, and QCDs to find your most tax-efficient approach.

Compare conventional, proportional, and strategic bracket-filling withdrawal strategies. Save $50K-$200K+ over a 30-year retirement.