Financial Calculators

Money decisions get easier when you can see the numbers. This collection covers the questions people actually search for: what a loan really costs, how much house or car fits a budget, what a paycheck looks like after taxes, how compound interest grows savings, and when refinancing breaks even. Each calculator states its formula and assumptions, handles edge cases explicitly, and works entirely in your browser — nothing you type is uploaded. Pick a tool below, or start with the mortgage, paycheck and compound interest calculators, which answer the three questions we see most.