Tools directory

Paycheck and tax tools

Interactive calculators for payroll decisions and housing cash flow. Each tool includes methodology notes and clear limits—use them for planning, not compliance.

State paycheck calculators
Estimate take-home pay in any U.S. state with simplified withholding assumptions.
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Overtime calculator
Model gross pay from regular and overtime hours before payroll taxes.
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Bonus tax calculator
Rough-cut bonus withholding using supplemental-style rate assumptions.
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Salary ↔ hourly converter
Convert annual salary to an implied hourly rate and explore raise impact ranges.
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Mortgage calculator
Fixed-rate principal-and-interest plus optional taxes, insurance, and HOA for a monthly housing picture.
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