Useful online tools.
Simple calculators and decision tools built to answer practical questions quickly. No account. No login. No filler.
Purpose: tools that solve specific problems, not vague articles.
General problem solvers
Money & pay calculators
Car payment calculator
Estimate auto loan payment, true monthly car cost, interest, and affordability versus income.
Debt payoff calculator
Compare snowball vs avalanche, estimate payoff date, interest paid, and what extra payments save.
Paycheck calculator
Estimate take-home pay after federal tax, FICA, state estimate, and deductions.
Bonus & overtime paycheck calculator
Estimate extra-pay take-home and understand why bonus/overtime checks feel overtaxed.
Texas paycheck calculator
Texas take-home pay estimate with no broad state wage income tax.
California paycheck calculator
California take-home pay estimate with progressive state tax logic.
New York paycheck calculator
New York State take-home pay estimate. NYC/Yonkers local taxes not included yet.
Florida paycheck calculator
Florida take-home pay estimate with no broad state wage income tax.
Illinois paycheck calculator
Illinois take-home pay estimate using flat state tax logic.