Income Tax

Bonus Tax Calculator

Estimate 2026 US federal bonus withholding using the flat percentage or aggregate method, then include employee Social Security and Medicare withholding to see net bonus pay.

Capital Gains Tax Calculator

Estimate 2025 US federal capital gains tax on a single asset sale using sale price, cost basis, selling costs, taxable income, and holding period.

Estate Tax Calculator

Estimate 2026 US federal estate tax from gross estate, deductions, adjusted taxable gifts, and any portable deceased-spouse exclusion amount.

Gross to Net Calculator

Convert gross pay into net pay in supported US and UK tax modes, with annualized taxes and pay-period breakdowns.

Income Tax Calculator

Estimate 2025 US federal income tax, effective and marginal rates, after-tax income, and bracket-by-bracket tax from gross income, filing status, and deductions.

Marriage Tax Calculator

Compare 2025 US federal tax as two single returns versus one married-filing-jointly return to reveal a marriage bonus or penalty.

Net to Gross Calculator

Estimate the gross pay needed to hit a target take-home amount in supported US and UK tax modes, with annualized tax breakdowns.

Property Tax Calculator

Estimate annual property tax from assessed value using either a tax-rate percentage or a mill rate, then compare the monthly equivalent.

Self-Employment Tax Calculator

Estimate 2025 US self-employment tax, split the Social Security and Medicare portions, and see the deductible half of the tax.

Take-Home Pay Calculator

Estimate take-home pay in supported US and UK tax modes, with annual, monthly, bi-weekly, and weekly net-pay breakdowns.