20 free calculators · private by design · no sign-up
Know your numbers before you commit.
Mortgage, loan, investment, tax and more — 20 free financial calculators with live charts, Excel export and shareable links. Every figure is computed in your browser and never sent to a server.
Pick a calculator and get a straight answer
20 free tools — enter your numbers and see the result instantly, with charts, Excel export and a shareable link. Private by design: nothing you type leaves your browser.
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Mortgage CalculatorMonthly payment, total interest, and a full amortization schedule.Refinance CalculatorNew payment, monthly savings, and break-even month.Home Affordability CalculatorHow much house you can afford on your income.Loan CalculatorMonthly payment and total interest for any personal loan.Credit Card Payoff CalculatorMonths to pay off and total interest from a fixed monthly payment.Debt Payoff CalculatorSnowball vs avalanche — debt-free date and interest saved.Auto Loan CalculatorMonthly car payment, total cost, and interest by term.Compound Interest CalculatorFinal balance and interest earned with regular contributions.Investment CalculatorFuture value and total gains from monthly investing.Retirement CalculatorProjected savings at retirement vs. your goal.401(k) Calculator401(k) growth with employer match through retirement.Savings CalculatorFinal balance and interest earned on steady monthly savings.Inflation CalculatorWhat money is worth over time and how prices change.Salary CalculatorConvert pay between hourly, weekly, monthly, and annual.Paycheck CalculatorTake-home pay after federal, FICA, and state tax.Income Tax CalculatorFederal tax estimate, effective rate, and take-home pay.BMI CalculatorBody mass index, weight category, and healthy range.Currency ConverterConvert major currencies at live mid-market rates.GPA CalculatorGrade point average on the 4.0 scale by credit hours.Tip CalculatorTip, total bill, and per-person split in seconds.